Originally Posted by Erpel
Thus, we 3bet for value with hands we have decided are good enough for us to go all-in against this specific opponent in this specific scenario. If we do not 3bet for value (if we can see ourselves folding to preflop aggression) we are 3betting as a bluff.
In this hand your decision to 3bet JJ turned your JJ into a bluff - because you were not willing to stack off with it. It may be true that it's not good enough to stack off with, but if that is the case you should maybe not have 3bet it in the first place.