I think people tend to forget that FLoyd is 34 years old! He's about to be 35. dude is pushing his Mid-Thirties. And I really think Floyd wants the pacquiao fight, because he knows he prolly only has maybe 2 really legit good years left in him.
Smaller guys like Floyd don't last as long as the bigger guys like Bernard Hopkins and Vitali Klitshcko. But seeing as Floyd hasn't been into too many wars will help him out in the long run if he decides to continue his career, which I doubt.
I'd say Floyd maybe still at his peak, if not then he's already on the decline.