If there were no Original Sin, would everyone have been married?

Benedict Ashley, O.P., *Spiritual Direction in the Dominican Tradition* p. 50 claims: >Naturally speaking, the human species is divided equally into male and female, so that every human can find a partner and form a marriage, and if there had been no fall into sin, naturally all persons would have married. Is this true? Would've everyone married if there were no Original Sin? It seems not, as isn't celibacy equally natural as being married? What did Catholic fathers or doctors of the Church have to say about this?