Solved
I have 2 teen sims in a relationship and one ages up before the other by 2 days?
one of my teen sims ages up to young adult on the calendar 2 days before his girlfriend (which is weird because it means it changed as they were the same day last time i checked), is the game gonna ...
The sims just can't do romantic interactions as far as I am aware until both are young adults. So for the 2 days, they can do friendly and funny interactions instead to keep a positive relationship.
