Chaos and our dying father

After being diagnosed with a disease which he believes will kill him,Oliver prompts his adopted children-roy and artemis-to find happiness. He tells them how he had wished for a grandchild or wedding by now. Feeling guilty artemis lies announcing she's engaged-everyone assumes its to wally. Roy pretends that he's got a child on the way. Pairings:spitfire,cheshroy and Ollie/Dinah.