Secret relationship

Hello, I'm a male gay guy, I'm 19 years old. I have a boyfriend and we love each other more than we've ever loved anyone before. However, my family doesn't know I'm gay and neither does his. I don't wanna be in a relationship that doesn't have a solid future and I'm willing to risk it all for him. He is so afraid of what all he is gonna lose by letting people know about him and he has brought up once the possibility of and ''end''. I know you can't promise to be together forever, but if you are with someone, that is the least expected for me. I love him so so much but I don't know what to do . Please help me, guys. Thanks.