In this workers' compensation case, employee appeals from the Labor and Industrial Relations Commission's decision denying him compensation. We affirm. I. Background Employee is a salaried research biologist for employer. He works from 7 a.m. to 3:30 p.m. Employer gives him an unpaid half-hour lunch break and two paid 15-minute breaks. Employee combines his lunch break with the smaller breaks to have a longer time at noon.