Alright, since I’m thinking about soundtracks, how about this for a His Robot Girlfriend/ His Robot Wife movie?
Daffodil Lament – Cranberries
All is Full of Love – Bjork
From a Shell – Lisa Germano
Settle Down – Kimbra
The Greatest – Cat Power
Trouble is a Friend – Lenka
I Like You So Much Better When You’re Naked – Ida Maria
This Guy’s in Love with You – Herb Alpert
He Needs Me – Shelley Duvall
Everybody Hurts – R.E.M.
City of Amathar 
It might be You- Stephen Bishop would be a perfect fit to Mr. Smith realization that he has fallen in love with Patience.