Engagement

My bf of 3 yrs wants to propose but keeps saying I have to meet his parent first, they’ve known about me since day one, they live all the way across the country and due to COVID I’ve never met them and it’s starting to bug me that he always talks about marriage bc it’s something I knew I wanted with him early on. Would it be wrong of me to ask him to stop bringing it up until we can actually travel,, he always says he’s gonna marry tf out of me and talks about rings or making certain dates “big special or extra important” any advice helps. It’s starting to bring me down