I think Sagan could do with switching up his training, as he has the same characteristics, but looking a little stale this year.
Winning some CX races would probably get the fun back into his riding.
He said himself earlier this month that he's off form and not feeling 100%: he got sick training in the Sierra Nevada before Tirreno-Adriatico in March and seems to have had trouble bouncing back.
I think Sagan could do with switching up his training, as he has the same characteristics, but looking a little stale this year.
Winning some CX races would probably get the fun back into his riding.