I feel a lot of regret having had children. Not 100%, but it's always going to be more than 0%. I adore my kids but it's too much for my brain and it makes me miserable a lot of the time. I don't bring it up except to counsellors (or anonymous internet bros, apparently) because (a) it's not actionable - there is no going back (b) it's a bummer and no one has anything to say about it.