Lol well said. And finally something that both of us can agree on.So? Spacetime is four-dimensional at least, and this is something that human brains can't comprehend visualy in general. Very important part of learning advanced mathematics is to rebuild your intuitions and built non-visual means of thinking about stuff. It's painful, but you have to do that to progress.
Not to sound rude, but just because you lack proper knowledge in advanced mathematics doesn't mean there is any problem with physics at all. For me tensor calculus on manifolds and differential geometry is as simple as it goes. Long live fibre bundles! That's the best thing I've seen in my life Anyway, the thing is that instead of arguing with people who know a little bit more than you, you should take their advice and start learning advanced maths right away. There are so many beautiful things to see! Let go of your prejudices.