Is it true, that once the baby is born, partners start neglecting each other?

Men, in particular, are a bit worried about what’s going to happen when they start families with their current partner .Because they are not ready to take the back seat? Is it really like that I become the only person you focus your attention on until the babies are in the picture?please lets share.....

are you gonna neglect your patner and concetrate on the baby......?