My wife has been going through my SMS chat records and so on. Are all women like this?

You might as well change your mind: your wife loves you too much, cares too much about you, and is afraid that you don't love her, so you are so nervous. In fact, you should communicate with her well, tell her that you love her very much and won't do anything wrong to her, and let her know that you are a responsible man. Let her know that she always suspects that you don't trust you, which makes you disappointed.

In fact, most women are like this, but some women proper limit is very nice. They take a look occasionally or peek when their husbands don't know, so don't take it to heart.