When I am not around they ...snuggles to sleep together, go for outings...travel...
...rather break up with me than leaving his friend.
...trying to convince me that he loves me and not him.
If he would toss you aside so easily, then it isn't perhaps love on his part.
The two of them own everything together, live together, share a bed.
Get out while you still have your sanity. ....unless you are okay with playing second fiddle. There are plenty of other men in the world. Men who will share their life with you and give you the best of everything. Love, respect, commitment.