Because "missing you" means missing you, when a boy says "I miss you" in the signature of a circle of friends, it generally means that the boy is missing someone. People have certain requirements for signature, and the signature represents the consent, which has legal effect and gives the document authenticity in law.

Signature:

To sign, that is, to write one's name, especially to express agreement, recognition, responsibility or obligation. There are more interpretations of signature, such as digital signature, artistic signature and so on. Or a star's meaningful signature, also called signature. Signature is a kind of signature, because the signature is used the most, so the signature is often corrupted into a signature. Traditionally, signature is not synonymous with signature. The signature should be readable, but the signature is unnecessary.