Eventually that time will come when she suddenly decides she don't want you anymore so what are some things men should do for prep time. I know a bunch of ya'll going to say Batman wouldn't get married in the first place.
Get your own account
Basically move like your still single financially
Maintain a stable of chicks through lindkn..keep it professional not IG or FB as the wife will stalk those.
Be born into a wealthy family and receive Ninjutsu training from a wizard?
He was behind the 8 ball but with careful planning, he managed to take the heads of the 5 families with military precision.
Couldn't save his marriage though.