There are of course emotional consequences for becoming married.

Lines 1167-1172:

if( age >= 0.85 ) {
dieSpouse();
}
if( age >= 0.95 ) {
diePlayer();
}

This is the most famous, emotionally manipulative part of Passage. Those six lines are basically the reason we study this game at all. —Poking around in Passage | Electronic Literature.