coyly (75)- reluctant to give details about something regarded as sensitive.
paltry (93)- (of an amount) small or meager: petty.
"I'm not ready to jump into our shared gene pool and meet her."
-This is a metaphor because the character can't literally jump into her gene pool. It just symbolizes what she feels without using like or as.
""Finding the words to express how you feel about someone is so easy at night, alone in your bed with only the slim blue light from the summer sky as witness."
-This is personification because it is giving human characteristics to something nonhuman. The sky can't actually be a witness.
"As soon as the words are out of his mouth, hovering in the air like monarch butterflies with their vibrant orange-and-black wings, I know he's right."
-This is a simile because it's a comparison of two things using the word like. It's not literal.