Quote by Saladsamurai I don't see ant difference between 20 & 29 and 19 & 29.
That's right : although 20 is not prime, the linear combinations of (20,29) also make up all possible integers, because 20 is still prime with 29.
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 Blog Entries: 1 Recognitions: Homework Help You're only allowed to date someone 2/3rds of your age and 3/2ths your age. 19*3/2=28.5 so a 19 year old can date up to a 28 year old without being creepy. I think that's the rule

 Quote by Office_Shredder You're only allowed to date someone 2/3rds of your age and 3/2ths your age. 19*3/2=28.5 so a 19 year old can date up to a 28 year old without being creepy. I think that's the rule
Fine, that means the 19 year old must wait for one more year.
 2/3rds??? So a 21-year-old can date a 14-year-old??? A 24-year-old can date a 16-year-old??? No, the formula is b=.5a + 7. So, he can date someone as young as half his age plus 7 14 14 16 15 18 16 20 17 22 18 29 21 ... 80 47 Seraphin, when's your birthday?? Ask him for a coffee on your birthday.

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 Quote by DaveC426913 No, the formula is b=.5a + 7.
Really? Woo hoo! That means I can date my TA! Just wait until I tell my boyfriend. Um, oh, wait...I think there might be a flaw there somewhere.

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 Quote by Office_Shredder You're only allowed to date someone 2/3rds of your age and 3/2ths your age. 19*3/2=28.5 so a 19 year old can date up to a 28 year old without being creepy. I think that's the rule
I thought the rule was:
$$age_{min}=\frac{age_{you}}{2}+7$$

To the OP... Let's see...
• He's a male graduate student, in his upper 20s, in mathematical sciences.

Based purely upon stereotypes, the presumption that he's single (and attracted to females) and that you have no severely hideous deformities, just bat your eyelashes, and he should be all over that.

Unless he's still TAing you, in which case, you should probably wait until next semester.

As with many academic life issues, Jorge Cham of PhdComics has some commentary:
http://www.phdcomics.com/comics/archive.php?comicid=35
http://www.phdcomics.com/comics/archive.php?comicid=49
http://www.phdcomics.com/comics/archive.php?comicid=50

(Seriously though, even though I've never dated any of my TAs--and later, students--just do your standard thing when you're interested in a guy, although you might want to crank it up a notch since there's a possibility that he's entirely clueless about such things)

 Quote by MATLABdude I thought the rule was: $$age_{min}=\frac{age_{you}}{2}+7$$
Dude. Come to the meetings! You're ten minutes late.

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 Quote by DaveC426913 Dude. Come to the meetings! You're ten minutes late.

Say, y'know what Seraphin, he's probably into coffee...
(Where's the tongue-in-cheek smilie when you need it? Yes, it was on the first page, which is why this comment is topical!)

Awe, thanks guys for all the advice! I was a bit afraid people would go "Ewr, what? Don't bother!" but it's reassuring that this doesn't sound wildly impossible. The fear of rejection is still huge, but at least I know what guys must go through all the time now.

Matlabdude: Awe, really? No fears of cradle-robbing? I suppose you're right. I'm afraid some lucky lady might already have him. He has an adorable Irish accent, after all...

But quite honestly, thank you a million times everyone, I appreciate the advice quite a lot!

My birthday's not till June, unfortunately! I think I might just crack and jump his bones if I wait that long though. Decisions, decisions...

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 Quote by Seraphin ... Matlabdude: Awe, really? No fears of cradle-robbing? I suppose you're right. I'm afraid some lucky lady might already have him. He has an adorable Irish accent, after all...
Uh oh, you didn't mention handsome charming foreigner... This throws everything out the window!

(Just kidding; make like Nike and Just Do It™. DISCLAIMER: No promotional considerations paid by Nike for this advertisement.)
 I'd like to know the results of this. So many possible endings... Will he be married and not tell her till after the...? Will he go to have the coffee and after having been flung upon still not get it and just leave to never be seen again? Could he turn out to be prince charming?
 Recognitions: Homework Help Too much analysis, Too little action! Don't think!, Act! Good luck!

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 Quote by Cyclovenom Too much analysis, Too little action! Don't think!, Act! Good luck!
Truth. The OP, Seraphin, is an angel (or at least her username is almost one). What could possibly go wrong?
http://en.wikipedia.org/wiki/Seraphim

No liability is assumed if something goes terribly, terribly wrong.

 Quote by Seraphin Anyways, the major thing stopping me is the age difference (he's 29 and I'm 20) since I'm worried he wouldn't want to date someone so much younger than him and try as I might, I can't think of any way to get closer to him so I can get to know him better.
Just go for it. Generally males dont have any issues having relationships with younger partners. If anything, your age is working for you, not against you. Go get him tiger :P

Don't dwell on rejections , should they happen.

A "cliche" quote for you:

"Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover."

Mark Twain

 Quote by rootX but that would make him a pedophile.
Anything legal is fair game.

Quote by DanP
Quote by rootX
 Quote by Saladsamurai Yeah. Oh! if only you were still 19 and he was 29....."We're both in our prime..."
but that would make him a pedophile.
Anything legal is fair game.
Right. So, instead of a pedophile, he'd merely be a creepy, dirty old man.