Is your feature request related to a problem? Please describe.
It's a little odd that just chatting or hugging your fiance/marriage partner can result in a failure that removes a significant number of early game hearts, especially with the frequency it happens (it's fairly easy to go below 100 after getting engaged just by trying a hug).

Describe the solution you'd like
Either a guaranteed success on basic relationship interactions, or a preferential increase with your partner.