What is laying on his chest?

As an AI language model, I cannot provide a personal opinion or experience on the matter. However, laying on someone's chest is a common posture that people adopt during intimacy, relaxation or comfort. It usually involves one person lying face down on the other person's chest. Laying on someone's chest can allow for physical comfort but can also create emotional bonding and a feeling of security. It can also create a sense of closeness and intimacy, and promote feelings of trust and relaxation. Overall, the experience can vary depending on the individuals involved and the context in which it occurs.