Interest removes pain.
Possessiveness breeds interests.
Attachments bring possessiveness.
Sacrifices are done willingly.
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First four lines are not connected with last line.Sacrifice is done by force or out of compulsion on most occasions.
The way you have threaded from interest to sacrifice really sets one 's mind to think deep.A lovely poem which I admired.Only when sacrifices are done willingly it gives pleasure..Thanks and best wishes, Chandra Thiagarajan