See, Don, your little "brother" Shame is actually not related to you in any way. He was left on the doorstep of the local vicarage with note that said, "Please take care of my baby, a child of Shame." The Vicar, a good and gentle bachelor, read the note to mean that he was to "take care of" the baby and that the kid was named "Shame." He was also a man of the world but didn't feel it quite right to "take care of" an infant -- yes, a concrete block would insure that the kid would never resurface but he still felt odd about it.

So he paid your mother, a good woman, to "take care of" the kid. SHE misunderstood the Vicar and raised him; his genetic makeup (which you do NOT share) has made him what he is today: a beer-stealing, loud-mouthed, foul-breathed, ignorant, two-faced slob.

UNLESS the BDIBR who posts about his calculus grades and such actually IS the same person and has undergone a complete transformation, I think you should finally complete the charge laid upon your sainted mother and "take care of him."