His name is Alexander, He's your ex boyfriend.

You left your apartment to go buy something at the groceries.

Someone sneak in to your apartment.... It's was your ex boyfriend.

You come back to your apartment because you forgot your purse.

You and him was shock when you come in, you see your ex boyfriend...

He say Darling... Oh, I missed you so much... I already stalking you after our break up.... Finally I can see your beautiful face....

He walk closer to you.