Thank you i actually didn't know i was going to get so many advice and a lot of them are very helpful! I know what i have to do know.
And he didn't know that he would need someone else to sponsor me if we decided to go through all that. He knows nothing about that kind of stuff. Idk why he even he brought up the idea of marriage that soon lol. Yesterday i told him it would be better to consider getting married after spending time together in the outside world so that we can get to know each other better, meet each other's families and see if we're compatible and he agreed lol.