Froome is 31, so talk of him winning for the next 3,4 years is a little premature and optimistic. Obviously, you can win the tour into your mid-30s, but not that many riders have the discipline to do so, especially with a young family to miss out on. On the other hand, maybe weeks away from his wife helps keep things fresh. And let's be honest, babies are annoying.
Froome is 31, so talk of him winning for the next 3,4 years is a little premature and optimistic. Obviously, you can win the tour into your mid-30s, but not that many riders have the discipline to do so, especially with a young family to miss out on. On the other hand, maybe weeks away from his wife helps keep things fresh. And let's be honest, babies are annoying.