What am I supposed to write here?
Welcome to PF!
I am still a student but I can much probably provide some guidance and I think I would also need help to discuss some questions.
I need help on how to comment on others' threads
Go to the thread and use the 'reply' button at the bottom of the post to which you want to reply.
You can also select a particular section from the post and reply to it.
A brief intro, or just a hello!
Separate names with a comma.