Not Helpful: Impatience at the poker table

Played a couple of friendly games tonight, and both times I made it to the final two and got impatient and lost. My opponent was betting alot more than normal and won almost every showdown, so I should have just figured that he was getting better cards than me and just tightened up my play. Instead, I kept bluffing at him and losing. Lame. Oh well. Next time.