The First Time I Saw Something Strange Happened to Me

The first time i realized there was something strange going on was when i would try to sleep at night. I felt like i was being watched, and that any slight movement would alert this thing and make it aware that i was awake. Not long after this, i was upstairs in my bedroom, alone in the house, and i heard the front door open. Being the person that i am, and realizing that if an intruder had entered the house,  I rushed downstairs, ready for a fight. There was no one there. A few weeks later, i had a boy friend staying over at the time,. We'll call him chris for now. The text read, everything ok?