why does it hurt to lose?

[solucky]

The problem is that you expect to win and that poker is your job.

Loosing in poker hurt me too, but if i spend a evening in the casino and play slots ONLY for fun. I expect to lose my bankroll and feel me not mad if my 300 are gone, but i am verry happy if i am up 1-200. Its only expectations that make the feeling. No winning player go to the table and thought about loosing..but we all know it happens