Is it worth it?

So I have been in a rationship with one person over half my like and I have to sat I love her very much and at times I feel like she loves me the same.
Anyway we have a friend that comes over and I see my wife gets all happy and asks him all kinds of questions and talks and the. When he leaves she goes back to looking miserable, what's up with these two?
Is it worth it?
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