Out of every 100 days I have lived with my wife.
7-10 days are unpleasant. But 15-20 days are the happiest ones.
For the rest of the days I am just satisfied and content and focused on my work and we both just spend time together.
I was too scared of getting married 2 years ago, I used to ask my senior colleagues how to deal with wives, what If I get a partner who does this/that and asked so many questions.
Most of the experienced senior people said that no partner is 100% perfect, and everyone has flaws. We need to accept a few flaws, help the partner to overcome them in a few months if they want to overcome their bad habits.
Thus, after getting married I can see the positive changes in myself. Me and my wife have solved many of our behavioural flaws by just talking and confronting about it.
I am learning and falling in love deeper everyday with my wife.
We argue/fight also, but the love between us brings us together within few hours.
Never stretched any fight for more than 1 day.
I hope this gives some clarity to you regarding post-marriage experience if you get a good partner.