What is man biting lower lip meaning?

Biting the lower lip or putting pressure on it can be a sign of several emotions or behavior such as nervousness, anxiety, stress, tension or even attraction or desire. It can also indicate an attempt to hold back emotions such as anger or sadness. In some situations, biting the lower lip can be a way of getting attention or showing interest in someone or something. Overall, the context in which the lip biting occurs can give clues about the intentions of the individual performing the behavior.