When you have a marginal value hand on a scary run out but you still think you can get caught by worse if you bet small. The only way to beat the board is to have a sex and there should be so little sex acts in your range pre flop that I mean there's not going to be a great option at this point. Your opponent just has a significant nuts advantage and there's very little risks here phone of bluffing So what what ends up happening are here does shove and he said I really didn't know what to do on this river do I check and just pray he checks back. Of course he has way more sex sex in his range but I reallydidn't want