Could try just joining a club and see what happens.
I don't actually like any of the ones that are available and like to make my own, as you can add what activities and rules to it.
Like marital status (which would suit your sim), age, trait
For example my sim is single just left uni
I've started a club for her which
Requirements are - single, young adult and adult, traits are cheerful, family oriented, loves outdoors, romantic and good
Activities working out, chess, friendly with everyone, romantic and swimming
banned activities are fighting
