When a blade cuts both ways, and past harms could scar future, I will help to mend, I am a

I'll show up with a hood; I'll put you in your place. Done many men for good; yet you'll sit in my embrace. Better watch your back; better watch that mirror, Or your bones I will crack, cause you didn't see it clearer. I might pass you on the street, but unless I'm seeing red; Better watch your feet, lest be in the hospital instead.

You'll name me yours, yet seldom beloved. You'll take me home; yet I'm often spurned. If we're finished; a lesson's learned. I'll leave you a number; and maybe a letter. But you'll never call me; and maybe that's better.

I live in a building with more than one hundred tenants Some born here, others raised. I'm one of the three originals The lightest of the heavyweights If needed, I'll help you get your head straight.

I have a neck, where I’m often grabbed, but don’t fret, I’ve got that covered. From BB to ZZ I’ve been used To paint in blues, and hues yet to be discovered.