To me Ygritte to Jon was his Spring Goddess, opening him to his sexuality and awakening the soul. He learns who the real enemy is. The frozen, hive minded White Walkers where ice has freezed their elevation and evolution.
I also find that Ygritte never wanting to leave the cave , Plato’s cave as going back before they knew seperateness. We needed to look outside the cave. evolve, grow, and love.
Blade And Chalice 
To me Ygritte to Jon was his Spring Goddess, opening him to his sexuality and awakening the soul. He learns who the real enemy is. The frozen, hive minded White Walkers where ice has freezed their elevation and evolution.
I also find that Ygritte never wanting to leave the cave , Plato’s cave as going back before they knew seperateness. We needed to look outside the cave. evolve, grow, and love.