Knowing when to play and when not to play takes self control or in other words discipline. Now if you just want to have fun, try some new skills, practice putting players on hands all without concern about winning or losing, try a low limit table game, small buyin or a freeroll.
However, if you’re working on building your bankroll, then discipline comes into play. It also may give you the edge over the inexperienced and players with lack of discpline thus giving you more winning sessions over time.
Practice your skills and check out the lobby. Beat the Heat this July at Circle Line Poker.