Hans is not cruel, he just has a different way of looking at things.
He’s not telling you to forget Sophie, no one is. I know I will never forget my dog. If you disagree with Hans, take it to law and order topic and discuss it civilly. That’s what I’m doing.
Yes, pets can become a member of the family. When you lose them, it will take time for the wound to heal. That doesn’t mean you will forget them or miss them less, but you will be content in it.