Just had this conversation oddly enough. I’m of the mindset that consenting adults can do as they please BUT power dynamics I feel are far more important than age. If your power dynamics is unbalanced, you can be the same age and have it all go wrong if they’re your manager for instance, but if you’re 18 and your 40-year-old coworker who works in the same dept wants to jump your bones, I say no harm, no foul.