It is understandable to feel left out when friends begin to do things without getting you informed. Or when people turn their backs on you when hello is needed.

But as you have said, the right thing to do when that happens is to look for other things to feel in the loneliness gap, music is one strong factor when it comes to that along side other factors, for someone else it might be sketches.

NOTE: if you feel that by ignoring people to make them realize your worth/absence. They might not even feel something or someone is missing and this will hurt you the more. So free up. And when you feel like being alone, make sure it’s not because someone has hurt you