Usually, I'm not a "grammar nazi"; and I'll let people type how they want to type and just let it be. But, if I quote someone to agree with them or something, I HAVE to correct any mistakes in their post before I type that I agree underneath it. If there are too many mistakes I won't quote it, even if I completely agree with something that has already been said, and have nothing more to add. In that case, I'll usually just bump the post if I want to come back to it later. Just one of my strange quirks I guess! What are some strange things that you do?