I'm atheist and my husband is catholic. I respect his beliefs and he respects that I'm not religious at all.
We have 2 children together and neither of them are brought up in the Catholic Church. I told my husband if he wanted them to be catholic then he needs to take them. He's never taken them to chapel.
Our relationship works and has done for the last 18 years. We've never argued about religious or lack of religious beliefs. There are two things that I'm a bit 🤔 about like his view on organ donation and funerals (husband wants a burial in his family plot which is full whereas I want cremated and husband wants us buried together)
The Catholic Church did release a statement when the organ donation opt out came out but my husband was brought up to believe you have to be buried whole so your soul goes to heaven and would not want to donate an organ. However, he hasn't actually opted out of organ donation.