I think this is quite obviously about falling in love after having been through a previous relationship that ended badly, and trying to assure the romantic partner that the same mistakes that ended that relationship will not be made in this one. There's a lot of uncertainty about the situation and neither can say if it will turn out all right. Ultimately the narrator needs his partner to believe in him before making any kind of move.
I think this is quite obviously about falling in love after having been through a previous relationship that ended badly, and trying to assure the romantic partner that the same mistakes that ended that relationship will not be made in this one. There's a lot of uncertainty about the situation and neither can say if it will turn out all right. Ultimately the narrator needs his partner to believe in him before making any kind of move.