He approached me with killer instinct.

Charlie, unaware of my relationship with Nicholas, stood protectively in front of me and asked coolly, "Who are you?"

WHAM!

A fist violently struck Charlie's face, shattering his glasses on the floor.

Nicholas licked his lips and landed another heavy punch on Charlie's face.

I screamed and, ignoring my injured foot, jumped in front of Charlie.

"Nicholas, are you ...