Has anyone ever moved in with a romantic partner too soon

Then moved out to separate places again to better the relationship and figure out yourself before moving back in together and the relationship lasted?

My boyfriend moved in with me and my 2 yr old daughter in what we both agree was too soon, now he wants to move out to his own place (he has never lived alone, went straight from parents to me) and find himself before we move back in together at some point because we’ve been arguing daily and the stress is too much but he says he still wants to be with me as a couple, just not to live together right now because it was too soon. He still plans on seeing my daughter (he never really saw her that much to begin with because he works a lot) so he’s not just walking out of her life, since I was worried about that and he wants to move back in together as I said when we’re all ready, however long that is.

Has any couple ever done this and they ended up lasting? It feels like he will end up just breaking up with me.