I don't consider 41 being in prime of life. Even if I conceived a child tomorrow I'd be 52 by the time it was 10. I'm not sure I'd have the energy, and I find that quite scary. ↗
It is relatively easy to design for the perfect cases, when everything goes right, or when all the information required is available in proper format. ↗
I wouldn't call it bitter. I think it's just sweet. I've always believed my life seems like it's gotten better and better as each decade has gone by. So I don't see any I don't see any bitterness about it. ↗