How can I cut off communication with my toxic online friend?

he always plays the victim role, he cries at everything, I have never seen a man cry this much before, he keeps saying: will you leave me like the others, you are my best friend, I send at least 30 reels a day and I'm preparing for the exam, I don't have time for him but he doesn't understand that
How can I cut off communication with my toxic online friend?
Post Opinion