Mariah Carey and Nick Cannon with babies Monroe and Moroccan
01/04/2012 at 05:00 PM EST
Even a hospital stay for mild kidney failure
isn't bringing down characteristically cheery Nick Cannon.
"As always, he's in good spirits considering the situation," his wife Mariah Carey
, who accompanied him to the hospital in Aspen, tells PEOPLE exclusively.
Acknowledging, "the situation is not easy," Carey says Cannon is stable but "in a lot of pain."
"We are hopeful that he'll be 100 percent
as soon as possible," she adds. "We really appreciate everybody's love and support."
Cannon Tweeted later Wednesday
that he is "being transferred to a hospital in L.A. Thank you all for all your love, prayers and concern. You know me ... I will be a'ight."