By Jessica Grimes It’s interesting to see people’s reactions when I tell them I work out at 5 a.m. I’ve found it’s generally one of the following: (a) Utter shock/confusion: “Wait, you work out at 5 a.m.?” (b) Skepticism/sanity-questioning: “Whoa. Are you completely insane?” (c) Awe: “How do you do it?!” I only became an early…