If you use the console, then it would easy to assign variables with the command:
When you start new game, he doesn't right away, take some weeks before he show up.
It's a bit buggy though, sometimes it just put you to sleep at 1-2 hours intervals. Sleeping outside the house generally is buggy. Such as at Tamara's place, your brother's place and other places. You go to bed and wake up a hour later.
For the stepdad. Once you got far enough. Talk to him in the livingroom and there should be a event where he invite you to the city for the weekend. That after you started give him bj's though.
Just keep doing what you're doing with the stepdad. I was exactly at the point you are now and thought I was missing something but it turns out it just takes forever to get to the next step. The next step should be giving bj's in the sauna.
nvermind how do u repeat the vacation quest i talked to bro and tamara after vacation but the go to vacation option is not comming
She needs to be ready to cheat her husband. So you have to get a bit into the threesome route with her husband, but not too far or her hubby will leave her and closes everything. Stupid mission design.
