Was searching for this for quite a long time.And found this a few days ago...
check this out.

What is coccydynia?
Inflammation of the bony area (tailbone or coccyx) located between the buttocks is referred to as coccydynia. Coccydynia is associated with pain and tenderness at the tip of the tailbone between the buttocks. The pain is often worsened by sitting.

What causes coccydynia?
Coccydynia is often caused by an injury, but may occur seemingly spontaneously. There are many causes of tailbone pain which can mimic coccydynia, including sciatica, infection, pilonidal cysts, and fractured bone.

This is what i experienced last year.Well,this year wasn't that much of a pain.This year i am experiencing pain on my knee and lungs.
Seeing this freaks me out.I'm in a dilemma.Don't know whether i should consult the doctor.But hell no i'm gonna go for another op .

I'm bored.Boredom engulfs me.Tomorrow's my Birthday.
Hope they wouldn't make me feel lonely... ~Off now