When to get up.

[DeepSnapper]

Well this is my first post so bare with me.I am 49,have been playing hold`em for about 3yrs,Started playing 5/10 pot limit. This game as been going on for 20yrs,the only game in town at the time.SO i jump in with the wolf`s.first nite lost $1000(sunday)lost $600(wed).I Really did not feel bad because I knew that these guys had been playing for along time.Some have cashed at the WSOP an a few curcuit events.Well my 3rd nite (Friday) i won $3600,now I was really hooked.MY problem i have is Iam by for a losing player over all because I will not get up from the table when I am ahead. NEED ADVICE ON HOW TO GET UP? 90% of the session`s that I play, I Will be up 2,3,4 buy in`s ($200) and will not get up an leave. You can quess the rest.