Maybe, you're right.

Maybe, as you say, your friends are to blame.

They might be the source of your problem.

But, here's another problem.

They don't care about you.

They don't have time to waste on your accusations.

Their lives go on without you.

After you're left out, the problem still stays by your side.

It's up to you if you still blame them that they made your life miserable.

Well, let me say this, I'm afraid.

Do whatever you are supposed to do as a student because you seem to have made an excuse for not studying by blaming them that they take your motivation away.

It's not their problem after all.

It's yours.