Breathe, One, Two (слэш)

Shortly after graduating his "eighth" year at Hogwarts, the grand future Harry had hoped for starts crumbling beneath his feet. He can't cope with the aftermath of the war, though with the help of his mind Healer and his new, intense friendship with the mysterious wizard Sebastian, he might have a chance.
Only, Sebasation is gay, a quality Harry didn't know was reviled by so many of his close friends. Even so, there's something about the older man that he just can't ignore...
Written by a fellow complex-PTSD survivor mostly in response to the fact that so many stories are irritatingly inaccurate.