Why did it have to be you

You have been in a loving relationship with Natasha for 13 years when the two of you go to Vormir to receive the soulstone. Even though you try to stop her, Natasha sacrifices herself in exchange for the stone, and your world falls apart. It doesn't take long before Yelena finds you and blames you for her death. Warning: mention of attempted suicide. !! No happy ending !!