So changing your own style is plenty hard enough without attempting to change your partner.
She may want to smoke weed in my bed and set the bedroom, apartment and whole neighborhood aflame.
The Guide to Relationships and Finding a Friend is relevant to the process of finding a boyfriend or girlfriend for your Sim, as you can learn a bit about the mechanics of socializing there.
Sims with the Alluring Bonus Trait, gained from choosing a Romantic Aspiration will get a higher success rate on all interactions, even Woohoo.
Men will go out with you for all kinds of reasons.
This is the indication of how Romantic two Sims are toward one another.
If you have access to a couch, Sims can 'Make a Move' and put their arm around the other.
Is this just a typical player?
Luckily, the solution to this one is easy:
I made two Sims with matching traits, but they don't seem to be compatible.