4. When he realizes that he’s getting old.
No matter how much a guy enjoys his carefree, single life, he will consider getting married when he reaches a certain age. A guy in his 30s said, “I felt sad when I realized I’m past thirty and I could be single for the rest of my life.” You should find out what qualities he looks for in a partner (such as being a good cook or having similar hobbies) and prove to him that you could be a perfect match.