Grammar

. The

This user does not put two spaces after a full stop.

your
you're

This user thinks that if your grammar is incorrect, then you're in need of help.

to
too
two

This user thinks that too many people have no idea how to use words that they should have learned in grade two.

!?	This user is a punctuation stickler.

their
there
they're

This user thinks that there are too many people who don’t know that they're worse than their own children at spelling!

A, B, and C

This user prefers the serial comma.

…in.

Ending a sentence with a preposition is something that this user is okay with.

Seriously, do I really need to do a commentary on these? It should be pretty obvious...