Answer:
I think he said that because men's wish have that courage, risk-behavior and that strong skills too, Gilgamesh and Enkidu are like a role model or inspiration for them that's why I think when he said '' spam our fame on men's mind forever".
I hope this help you :)
They were married about a month after the funeral.
The theme of "Nothing Gold Can Stay" is that nothing, especially something that is perfect and beautiful, can last forever.