Dad Man Walking

I'm a 33-year-old woman with a male partner in his late 30s. We eventually want children, and I've been considering having my eggs frozen. My doctor suggested my boyfriend should consider freezing his sperm. He is a "manly man" type, and his masculinity is a strong part of his identity. How can I keep him from being insulted and angry if I suggest he look into sperm freezing?

--Aspiring Mom

Unfortunately, the men with the healthiest sperm are the 20-somethings who have trouble sustaining adult...