Maybe Tomorrow (2008)

A day in the life of Brandon, a 23 year old ex smoker who makes his living selling cigarettes. The day starts off with a ride to work from his girlfriend who breaks up with him as she leaves him to dwell on it for the rest of the day with reasons unknown. From here he proceeds to bitch about the unexpected event of the morning until his friends convince him to pass his daily responsibilities on to a coworker and come out to see just how bad one day can get.