Winter is more of Bag Boy's season. Although he hardly wears any clothing he often fits in with the harsh cold winter feelings. Most of the time he lets his body go competely numb, abling him to not focus on the aches that winter provides. Winter is gloomy. You could consider the broken tree to be a metaphor for they way he feels right now. The small ornament being that of JC's own cross sends him a whirlwind of his own memories of being staked up. That cross is a strong symbolism to Christians.. but perhaps even stronger to those who actually felt the pain of being staked up on one.. such as Bag Boy had to endure.. BB belongs to me.