Why is Gawain so happy to see his blood on the snow?

Gawain is happy to see his blood on the snow because it signifies his survival and proves his bravery in facing the Green Knight. The blood serves as a reminder of his humanity and the sacrifices he has made, as well as his willingness to confront death. It also symbolizes his honor and integrity, reinforcing his identity as a true knight despite the challenges he faces. In this moment, the sight of his blood becomes a source of pride and a mark of his resilience.