I have 5 and one on the way, it can be very hard to keep everyone in line. just know you are doing your best. I have strong rules that don't bend and then redirected behavors. I also always fallow threw with everything I say no matter what even if we have to stay home. Don't yell! if they are yelling and you talk normal they have to stop yelling to listen to you. Be fare and reasonable and reassure then that you love them. (when they go to bed, drink wine) (lol)