Most Helpful Guy
He has loads of stress from his ex and doesn't want any added relationship stress
Try not to pressure him soon abou tyour relationship. It will be clear to him you're falling for him; you don't need to tell him that.
Give him time to process all the changes in his life. But of course, at some point you'll have to ask him to talk about your future together...
Try to be tentative about broaching the subject. Of course, he knows you want to have this conversation; it won't surprise him.
Maybe he will also be ready to talk afrter a few months.