Our society has become so casual that bad grammar is increasingly shrugged off as no big deal. Here's the thing, if you're going back to school to get a better job, your grammar matters. How you dress matters. Your table manners matter. So does your Facebook page. But this site isn't about those things, so we'll focus on your grammar here.
I can't tell you how many times I hear educated people use "I" and "me" incorrectly. There's a simple method to help you choose the correct word. Do you know it? Do you use it?
Pay attention to you grammar. 5 Quick English Grammar Tips
Am I crabby? Apparently.