"Well...If I must," Birras pulled a scalpel out of his coat pocket and thrust it, deep, into his own finger. "Ow." Birras focused on Aaron, healing himself but tearing open then flesh on Aaron's finger. "Try not to bleed on the seats, they're probably expensive." He then turns to Dona. "Now then, madam, to address your concern, I'm not a brain surgeon, and using my powers to heal you would kill me almost instantly. So, yeah..."