A bloke was on his deathbed and said to his wife, "Martha, I need to know from you just one thing before I go. In our 50 years of marriage, have you ever been unfaithful to me?"
"Well," she said, "I have to be honest. In all those years I've been unfaithful to you just three times."
He sighed and said, "Well I suppose that three times in all those years isn't that terrible. Tell me about them."
"Well the first time was just after we got married, and we were very hard up. I went to see the bank manager and miraculously he changed his mind about our loan and he gave us a really good deal on a mortgage...?"
"Oh," replied the chap. So you made the sacrifice in order to put us on the right path in life. I can forgive that...."
"The second time was when you needed that critical heart surgery and we couldn't raise the money to go private. I went to plead with the surgeon and he did the operation free of charge...?"
"Oh, so you actually saved my life! I suppose that was well justified. And the third time?"
"Well, remember when you were running for president of the golf club and you needed just 73 more votes ...?"