Give up and live
Missed c-bet, got raised, board is scary, you have air — fold. The money you don't put in is money you keep.
Your buddy loses stacks chasing 'one more card' with no price and no plan. Grade 1 is teaching him to stop.
'Give up and live' (NLH cash, G1): Thin value vs payers; bluffs need a coherent prior-street story.