Function of Simile: Poetry Practice Test

Read the following original poem excerpt:

I open the email marked FINAL NOTICE

and the screen’s white glare fills the room.

Numbers line up like soldiers; my paycheck doesn’t.

I do the math again, hoping it will soften.

Debt sits beside me, like a dog that won’t learn its name,

watching, waiting, refusing to leave.

What is the function of the simile like a dog that won’t learn its name in the excerpt?

Read the following original poem excerpt:

At the bus stop, your apology arrives late,

typed in careful lowercase, no punctuation.

I read it once, then again, as commuters pass

with headphones sealed like doors.

Your words sit in my palm, like a stone warmed in a pocket,

heavy with heat I didn’t ask to keep.

In the excerpt, what is the function of the simile like a stone warmed in a pocket?