Wikipedia defines common sense as “knowledge, judgement, and taste which is more or less universal and which is held more or less without reflection or argument”
Try to avoid using this topic to express niche or unpopular opinions (they’re a dime a dozen) but instead consider provable intuitive facts.
Related to gambling: being “pot committed”
Pot committed is more a math reality with a small amount of sunk cost fallacy. There’s always a non zero chance someone is bluffing. A 99% chance to lose $11 is better than a 100% chance to lose $10 if you can win $100 on that 1%.