Michael Phelps woke up four Sundays ago and decided he wanted to keep swimming. He still had the desire - although he said 2012 will be his last Olympics - and all the scrutiny over the photo of him inhaling from a marijuana pipe hadn't taken away his motivation.

"Actually I've been talking to some other athletes about it, too," Phelps said at the US Olympic Training Center yesterday. "There's some athletes who have had problems and I've been able to sort of get their side on it and how they've handled it.