if my butt were on fire, should i use milk to put it out?
U have nothing to lose so just tell him you like him be straight up about it.
air vents will not pose any risk to your extension cord, however covering the cord by running it under a rug or the carpet is definitely a fire hazard. just make sure you use an UL approved cord, not one of those dollar store ones
Video clip of someone tearing apart a smoke detector.