in the sims 3 there was an “invite to join” option (i don’t specifically remember the name) that made our zoi invite anyone to join the action they were doing.
example: i’m lying on the bed, i click on another zoi, then click “invite to join” and that zoi would lie on the bed with me.
the action is executed automatically (my zoi doesn’t need to talk to them)
it can be applied to almost everything, watching tv, sitting, eating, dancing, sitting by a campfire, playing chess, being in the pool, sleeping, etc. whoever i invite does the action with me and i don’t need to form a group for it or interrupt the action i’m doing