In which I speculate that the reason Sly invested in Jack's restaurant was that he felt guilty about abandoning him and Ted when they were little boys

"I've never thought of that!" Primo said.

"Seems perfectly clear to me," I said.

"But - he said that he wanted to get custody."

"Fathers did not get custody in the early '60s. Your dad finally - and I find this hard to believe, given the way he talks about your brothers and about his ex wife, who was a drunk harridan so of course he had to divorce her - felt guilty. I didn't think he had a conscience."

"I think you are right - I think he felt guilty."