a lot
As for me, I usually don't have problems with it. I communicate with everyone normally. Sometimes I want to communicate with someone a bit closer, then I take the first steps. But if I see that a person is not interested, then so be it.
My teachers and parents
subscribe to people who have a lot of likes, Like their posts and hope that they will Like you back
My fam and real friends
it's easier to approach in the web, especially if the interests are clear and visible.
Write something like "Hi, you also like 30 seconds to Mars" and on it goes). In general, there are no clear instructions, you need to act according to the situation))
a lot
go [bleep]yourself
psychologist, veterinarian
My teachers and parents