The Soldier does not want to share Steve with anybody.
He doesn’t want to share Steve with the Falcon who has kind eyes and speaks gentle words and treats the Soldier like a person even though he is not a person. He doesn’t want to share Steve with the Widow who he both knows and does not know, both trusts and does not trust.
The Soldier doesn’t want to share Steve with Bucky fucking Barnes.
Teen, post-WS. I’ve got a weak spot for possessiveness, and the way the Soldier is even jealous of his previous self… This owns my heart.
I Want You (To Belong To Me), by bedroom_stars