She tries a bunch of "Certified Muggle Courtship Strategies" and it ends up just being weirdly translated pickup artist tricks, and as a result Harry is just confused, so she pivots to being mean to deflect her embarassment.
Eventually she switches over to reading romance novels in an attempt to learn how to woo him, but all of the ideas she gets are far too embarrassing to actually try on him, so she just gets addicted to reading romance books all the time and imagining Harry as the love interest.
Asmongold lived in his house with his mom's rotting corpse for 4 days before he realized anything was wrong, and even then it was because the body was leaking black bile, which took a couple of days to overwhelm the usual, ambient stench of the house. Mushrooms grew on her feet.