How long would you have to be with a new partner before it was ok for him to discipline your kids...including shouting at them, threatning them with early bedtimes, threatning to come home during a day out etc?
Also, would you be ok with him questioning your houserules for instance saying that the kids are on the playstation too much or saying that they wear the wrong clothes or that their out of school activities are not appropriate etc?
Would he have to be living with you first for instance?