Как усомниться в предложении it always rains in may

Всмысле "усомниться"?

Michael joseph jackson on august 29, 1958 — on june 25, 2009) — the afro-american pop-musician, the singer and the composer. one of the most successful performers in the history, owner of 15 awards of the grammy and tens other awards; in the world about 750 million albums of jackson are sold. it brought the significant contribution to development of popular music, videoclips, dance and fashion. hobbies and michael jackson's hobby reading, drawing, martial arts, dances, animals, theater … here incomplete list of his hobbies. though the list of hobbies is so great, nevertheless in michael jackson's life charity, in particular care of the children needing the help plays huge role. michael prefers to have a rest in amusement parks, traveling, and making shopping campaigns and campaigns at cinema. besides, michael jackson's passion is the collecting of pictures, sculptures, film souvenir and old theatrical suits. investment didn't become its professional work, but it once isn't fenced off from similar projects