When you see someone you know, what do you do?

As this is time of corona u should not do handshake u should greet them warmly by saying namaste or have a nice day
You must maintain distance from them atleast 2 m

Can you list the drugs that you want answered for? i think maybe your answer could be a or b. but i’ll never know till you post the rest of this question.

Communication. releasing emotions/feelings to someone you know you can count on. ; ) someone who may not understand but willing to listen.