Marriage planning- Yours vs Parents

When a guy proposes to a girl and she says "yes"... that's actually the easiest part. Because when it comes to wedding planning, it doesn't just involve only the bride and the groom and what they want. But it also makes up of each side's parents wishes. And in my opinion, to every couple, there is usually one side that will provide the headaches- in my case, I thought it was mine.Don't even start