I did it at 37 with two kids. As others have pointed out, the key is focus. You have a family and they demand / deserve some amount of your time. So make that

I did it at 37 with two kids. As others have pointed out, the key is focus. You have a family and they demand / deserve some amount of your time. So make that time. Prioritize it. There will always be more to do in your company than you or your team can address. Focus on the important stuff, say no to the rest.