>>127024181
In my experience you don't, you just learn to cope. Try to be critical of your playing in the practice room but not too critical when you're playing live.

>playing an improvised solo live:
>"I shouldn't play that arpeggio because it sounds too stock."
>"I shouldn't stay in box 1 pentatonic so much,"
>"I bet there are other guitarists judging me right now. I have to play something flashy or everyone will think I suck."