1. You find an extra toothbrush in your bathroom.
2. Your shampoo runs out way too quick.
3. And so does your TP.
4. In fact, just forget it. Your whole bathroom is no longer a private area.
5. Red socks that you don't own find their way into your laundry and make your clothes pink.
6. They stop calling you by your name.
7. They help themselves to whatever you're eating.
8. They pick up your phone if it rings when you're in another room.
9. "I" becomes "we."
10. This happens.
11. You talk about their random hobbies when they're not even around.
12. You're no longer surprised when their mom texts you.
13. You have "family engagements" with a bunch of people you're not related to.
14. "Date night" means binge watching cat videos and ordering from Seamless.
15. You come home from work and they're somehow already in your house.
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