<human>: Can you condense the text into three sentences or less?

I moved to Canada from the U.S. for my S.O. (M/25) a few months ago. I went home to have a surgery performed and was gone for 3 weeks. 

When I came home he told me that he felt like he was looking at a stranger and that we had been growing distant over the past 6 months. We used to talk about our future and getting married. He even bought a ring. And he told me he loves me but he's not sure if he's in love with me anymore. 

But he said that he just needs time to think things through to see if he wants to end the relationship. 

How am I supposed to live in this house with him while he contemplates whether he loves me or whether he wants to break up with me?

Am I an idiot for trying to stay and work things out? Or should I just pack my things and go to avoid the anxiety and inevitable grieving process. 

Can a relationship come back from something like that?

Duration of the relationship: 2 years.
<bot>: My boyfriend isn't sure he wants to continue the relationship and needs time to think. How do you live with someone who isn't sure that they can continue loving you?