Hoping this discussion stays good natured as I think its a really interesting, important topic!
I am very financially risk averse and don't have kids, so im slightly in awe of those who've got to consider childcare in the event of a breakup as well as housing and everything else!
So my AIBU is:
AIBU to want society to normalise openly having a financial 'backup/exit plan' in the case of relationship breakdown, rather than money being a secretive topic and you being seen as a pessimist or somehow not invested in the relationship for wanting to make sure you can leave if you need to?
What planning did you do? Have you tried to talk to your children, your friends about this? Have you observed different attitudes from different genders? Curious whats normal or not, as divorce is normal in my extended family so we are 'preppers' by nature!