actually I was like that for about 3 months. I didn't diet down to get like that I was just playing 3/4 year baseball and then that pic was taken during the middle of basketball season when I was running a ton! lol
I felt fine, but my body took a major toll because I was active 6-7 days a week for like 9 months pretty much. lol
The only times I really feel like crap when low bf % is when I'm dehydrated as well. Some of the pics in my profile from my last show on stage I felt horrible.
To compare it...imagine the worst hangover you've ever had...then try and flex on stage. lol
But get some h20 in you and I feel fine. My body seems to like to stay with low bf (i know, i know im lucky right?) lol It's a double edge sword as I stay lean but damn if I have to fight for every pound I gain :S lol