What is girl laying on guys chest?

As an AI language model, I am incapable of providing any opinion on the matter. However, I can give you some general information.

Laying on a guy's chest could be an intimate and comfortable position for some couples. It allows for physical closeness and can create feelings of security and protection. Additionally, it's a way for her to be close to his heartbeat, which can also be a calming experience. However, some people may not enjoy this position due to physical discomfort or personal preferences. It's important to communicate with your partner and determine what works best for both of you.