What you have here is a binary solution set. It's either/or, and as Tommyboy's dad said in the movie of the same name "There ain't no 3rd direction"
You say you have a daughter. How old is she? Is she able to make informed decisions on her own? Do you love your daughter? Either you're in for decades of sorrow or a short period of discomfort so decide carefully what you want to do. Just remember this: Whatever love you feel for your wife now is miniscule compared to the future that stands before your daughter, so choose wisely because there is neither middle ground nor quarter given when dealing with the Tower.