Continuity mistake: While Zack speaks with Amy at the organic food store there is a worker behind them who passes by several times, and a guy in red who does the same thing.
Continuity mistake: When Russell gets Amy info, the folder flips side between shots.
Continuity mistake: In the scene in the beginning when Zack is in the clubhouse there are beer cans on the floor. When he gets up to look out at Simpson they're gone.
Continuity mistake: When Zack wins his first gold star, it's on day 12 and Vince has 11. Later we see Vince has earned 5 more stars (which would put him at 16), but Zack's first star is now on day 11 and Vince only has 10 stars up to that point.
Continuity mistake: When Vince goes in for a kiss, Amy tilts back and when he kisses her, she tilts (recoils) back even more. In the next shot she's back to her original position.
Answer: Some men prefer not to wear an apron, as they feel it is for girls not boys.