/kloc-friends of the opposite sex who haven't seen each other for 0/0 years, can you send a message to contact them?

/kloc-friends of the opposite sex who haven't seen each other for 0/0 years can send messages to contact. Keeping in touch is a way to maintain friendship and deepen relationships. Even if I haven't seen you for a long time, it won't prevent you from reconnecting. Before sending a message, you can remind each other of your relationship and what you once knew in common to help them remember you. You can greet each other in a friendly way and express your desire to re-establish contact. Contact is the mutual influence, mutual restriction and interaction among things, internal parts and elements. To be sure, the connection must be two-way and there can be no one-way connection. It means that in the simplest case, two things are directly related. In real life, there are many interrelated systems among many things.