More likely, you should be more concerned that doing your startup first and neglecting relationships means you will burn through your younger years (and younger looks) and won't be able to leverage them when it comes to finding a mate. Then, if your startup fails... oops, no leverage at all.
Hey, if he wants leverage he could go live and work abroad for a while where a middle class US lifestyle is livin' it up. Also men's pulling power is a lot less dependent on looks than womens'.
More likely, you should be more concerned that doing your startup first and neglecting relationships means you will burn through your younger years (and younger looks) and won't be able to leverage them when it comes to finding a mate. Then, if your startup fails... oops, no leverage at all.