At 22 I didn’t want kids. At 32 I have a kid without regrets. Prior to getting a long-term partner with the same mindset I think it is a bit much unless something or someone has scared you about “baby trapping”.
Vasectomy reversal can usually be done but isn’t always effective.
E:just saw you have a partner in agreement, in which case yeah go for it. Separate concern about how a 17y and 20y started dating but that’s not super relevant unless she’s pushing for this not just supporting the decision.
I mean its like the top category for the last some years in the US as well. Elon’s dad has multiple children with a woman who was his adopted daughter. The pedo in chief is on TV talking about how attractive his own daughter is. Listening to women and stories of sexual abuse by family are a dime a dozen. I unfortunately don’t think it is just a regional thing but that they are more open with it and don’t take the effects of it seriously.