מדרש על יבמות 125:17

Not good[, the adam being alone]” [Gn 2:18]: Taught [R’ Yaakov]: Anyone (man) that has no woman lives without good . . . R’ Simon in the name of R’ Yehoshua ben Levi said: Even without peace . . . R’ Yehoshua of Sakhnin in the name of R’ Levi said: Even without life . . . R’ Chiya bar Gomdi said: He is not even a whole human / adam shalem, for it says: “And He blessed them and called their name Adam”. [Gn 5:2]