Why does everything change after marriage?

Unrealistic expectations may be at the root of a marital problem. When dreams about a happy marriage do not come true, a person may feel dissatisfied, cheated, even bitter. Differences in emotional nature and upbringing may become issues, or disagreements may arise regarding money, in-laws, and child-rearing. However, it is commendable that the vast majority of Christian married couples find mutually acceptable solutions for all such problems because they let God guide them.
If you married for the wrong reasons that brings a strain on the marriage. Why not talk to your wife/husband she/he may feel as you do. A marriage is 2 people bonding together to become one. Even though you are different in looks personalities that's what make the union most fun. Mutual respct extremely important. Why not look for the good in your mate and plan somthing fun to do. You have to work on building a good foundation . In order for your love to grow stronger you must find ways to enjoy each other eg. talkig enjoying each other's company.
For moore information please go to jw.org Online Library.". For free downloads, publications or read online.