Expat400
If you can't keep your wife happy enough you need to look at yourself.
Did you ever think of it the other way around ?
Fact of the matter is some people's marriages are weaker than others for whatever reason.
DXB and expat living change some people. They also add stress to marriages ,relationships and families.
If she needed TLC so badly, she should have flown away and took care of business. knowing the issues she had with her husband, she must have calculated the risks.
In any case, i do not think this case qualifies for "adultery", they were seperated and everything was possible.