Since He Traveled Out Of The Country He Forget Everything About Me, Should I Still Wait?

It's been 4 years now since we started dating, we met during his final year in school while i was in my first year. We have been together since then, his family members all knows me to the extent i can freely go to his house. On March 2019, he traveled out of the country and everything changed since then, he hardly calls me or even chat me up on any social media and when i complain he gets angry. Since he traveled he changed to a different person i don't even know, he picks offense at every slightest provocation and most times he gives me an excuse of being busy. Up to now i don't even know where i stand in the relationship. I truly love this guy with all my heart and willing to spend the rest of my life with him but right now am confused, i don't know what to do anymore. When we talk, he only talk about things he want to do and the kind of family he wants to build, the surprising aspect of his plans is am never part of the plan. I feel like a stranger to h...