Lately I'm not able to send or receive invites from friends and I'm having very high ping. And my friends are in the same region as me as well. Any fixes for this?

Don't stress so much bro, you will improve in due time. Progress is never linear, the work you put in may not show results now, but i assure you its not being wasted. Everybody plateus, just remember that at the end of that long road, you w...