More nominations for Cool Tips:
Your / you're: When someone says "your stupid," I never know which one of my stupids he's referring too.
its / it's: "Its cold." Huh?
affect / effect: "This supplement has no affect." Yes, but is it effective?
To / too / two: "I like it to." You like it to what?
Maybe we need a "Cool Grammar" daily box. "T-Nation: Train Your Body And Your Mind."