Scars We Hide (слэш)

Bucky Barnes knew from a young age not to ask his ma about the scars that popped up without prior injury. She'd just get upset and insist he was far too young for these things. Steve's ma on the other hand.... She had no qualms telling him that those scars'd help him find his soulmate one day. But what he never told Sarah was that he already knew who that was. Because who else had that scar down their chest?
Or: the five times Bucky woke up to new scars, and the one time Steve did