Kids? He probably won't have much to teach/pass on to them except for his genes. It will mostly be the Japanese wife and her country's involvement in society doing the heavy lifting. Who knows? Maybe Daniel will change his ways once the concept of being a wonderful father takes flight.
That's not being humble at all. I guess dancing like a football player makes more sense than coming to terms with the fact that you're seriously obligated to keep your wife happy and safe. If not, then he obviously doesn't deserve that particular safety net.