Think about it, get married, settle down sort each other finance thick and thin, get a kid, or adopt, or baby sitting sometimes. Think about it.

You being with him its because you like each other personality, NOT the future potential, all of this might mean nothing, really. 

I have a brother. My mother is my brother's mom.

https://www.youtube.com/watch?v=6EhimZG_uwo

https://www.youtube.com/watch?v=afFLmgb8AUk