It triggered automatically for me, but is this like an RNG kind of thing? Or there are pre-requisites aside from being married? Or I'm just dumb and was missing something?
#How to Trigger Woohoo?
light pelican
dry wadi
it trigger when you get baby notification
or if it you're full house already, its RNG. Can trigger every after you sleep
And make sure to toggle "Allow wooho" on game settings :D, its toggleable