The awaiting suprise

It was a Thursday night and Justin arrived home, As he opened his front door, He heard a weird unfamiliar sound coming from inside. Justin enters the house and immediately searches it for any impostors, He doesn't witness anything unoriginal so he carries on with his afternoon routine. He leaves the bathroom after taking a shower and walks into his bedroom where he would lay in bed and speak to his friends online. He decided to go on Facebook and speak to his girlfriend and speak about different holidays. An hour goes by and Justin drifts of to sleep, He wakes up at 1 am to a crashing noise in the kitchen, he was in shock so he went back to sleep. Justin tries his best to be as little bold as possible, But unfortunately it was not good enough, The stranger says "Hey I know you're awake dumbass ! get up !" Justin in fear slowly sits up, He got a sight on the stranger's face, It looked as if it was damaged or sliced since he had a massive gash on it. He had no weapons and seemed to be safe and not psychotic, But he was being a little offensive. Justin passes out and wakes up at 2 pm in the afternoon, he felt very nauseous he enters his bathroom and vomited he later found out that he was knocked out by the stranger leaving a bruise on his forehead. Justin hears a knocking at his door so he stealthy sneaked up to the peeking hole, He sees his girlfriend so he opens the door and lets her in, So they had a long conversation about her family since something was going on in her family. She leaves in an hour and Justin then makes some dinner until he heard a scratching at his window and a weird weeping...