If they get in the way of others, that can matter little to them. The director lives in the flat directly upstairs from mine. He never irons his shirts. His collars curl this way and that like the petals of orchids. I consider it bad manners to talk on a cell phone in a restaurant.
Butterflies come out during the day, moths at night.
Bats hang upside-down while they sleep. Sentence three is the best. When she's angry, she pulls out people's hair. Her whole family is nearly bald. She herself has long, thick curls.