No spouse can love the parents of each other. Whether anyone agrees or disagrees to it is a separate thing, but the bottom line is that whether it is Husband or Wife, they want their partner COMPLETELY for them. they cannot stand other previous SHAREHOLDERS like parents.
Secretive people will initally have a difficult time as all secrets , habits on the sly which you meticulusly hid from ur parents and friends will easily get known to your better half.....saying this from personal experience :)
Marriage is something that we all look forward to, but after experiencing, look back and think , what was the big deal. But it goes on for years, thats why it is called Delhi ka Laddu