Even in the old school way, this postcard is incorrect. The winner is rarely the fastest swimmer, as several sperm arrive at the egg before a single one is allowed inside.
It’s a real joke of a card when you’re forced to hand it off to the man you’ve been told to call “dad” throughout life, knowing good and well he did NOT make any part of you.
Your dad doesn't have to be biologically related to you to be your dad. Hell, plenty of ones that are aren't dads in any other sense. What matters if he was a good or shitty dad, not biology.
Yeah my mom was my dad for all but the first 3 years. My dad decided early he wanted another setup, so took off and got one. So somewhere out there i have a half brother and sister and all their resultant kin. We dont communicate