Recommend a few cold jokes! Thank you'

There is a question and answer in the examination paper of a medical college student: "Four benefits of breastfeeding."

The student quickly wrote down three benefits:

1. No heating is required.

2. Don't be stolen by the cat.

You can drink it at any time.

At the end of the answer, I can't think of it. After thinking for a while, he suddenly had an epiphany and wrote:

This container is beautiful.