Are dancers/people in longer term relationships less likely to do OTC or cheat

Is there a rule that, the longer someones in a LTR or marriage, the less likely they are to cheat?

Or is it the opposite? Or no correlation?

For instance someone in a LTR for 2 months vs 3 years, whos more likely to cheat?

What about a dancer who’s been in a LTR for two months vs several years. Is the several years LTR dancer less likely to cheat and offer OTC since they’ve been together so long...