Initiating a conversation with your significant other about writing and formalizing a prenuptial agreement might not be top on your list of things to do. But everyone has a prenup one way or another, argues divorce lawyer James Sexton. He went on Steven Bartlett’s Diary Of A CEO podcast this week to discuss marriage, divorce, kids, and everything in between. Lots of things can lead to marital breakdown. Being obsessed with your kids to the detriment of the relationship, for one. Even living with your partner before getting hitched increases the likelihood of divorce… apparently. Add not having…