Zac was hired by Hollister, Co. as a greeter in January.At the time Zac was hired he was 6 feet tall and weighed 180 pounds. In March, his girlfriend broke up with him. In coping with his breakup Zac gained 30 pounds over the next few months. In June, Zac was told he was being put on probation and needed to lose weight if he wanted to keep his job. Does Zac have a discrimination claim?