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.
“There’s a first time for everything.”
No, not if I don’t do that thing. I will not have a first time for murder. Getting murdered might be out of my control, but I won’t commit one.