1. "You’re going to eat that?!"
Yes. Yes I am, and I will enjoy it too.
2. "Have you ever tried [insert most popular fitness trend of the moment here]?"
Just because I work out a lot, doesn't mean I've joined a cult.
3. "You already look great; you don’t need to work out."
You know, it's not all about aesthetics.
4. “Too much [insert favorite fitness activity here] isn’t good for you."
Please supply a scientific study to back up your claim.
5. “I thought you were on a diet.”
Eating healthy isn't a diet, it's a lifestyle.