ouch 5-1 and losing..if i was up by that much i'd start playing a lot more aggressively...dunno if i spelled that right..i'm not a very good player but that's what i'd do..especially since you're up by so much you got room for error whereas if he makes a few its set-over for him
That, and other strategies to "play every point like it's match point" don't address the fact that the OP doesn't realize why he/she is suddenly losing. You can't correct what you can't diagnose.
Why, if you play a game that can get you up 5-1, would you all of a sudden CHANGE the game and play more aggressively? Why would you CHANGE the game and play every point like match point (which in some ways should be done from a concentration and focus viewpoint already)?
It is usually when players have the ability to figure out what is going right and what is going wrong that they make large strides in their ability to win.