Marriage is a lot of things - a source of love security the joy of children but it's also an interpersonal battlefield and it's not hard to see why: Take two disparate people toss them together in often-confined quarters add the stresses of money and kids - now lather rinse repeat for the rest of your natural life. What could go wrong?
I cannot give you the formula for success but I can give you the formula for failure - which is: Try to please everybody.