Kanye West is on the road to recovery.
The 39-year-old rapper is "doing much better" after being hospitalized on Monday, and his wife, Kim Kardashian West, is supporting her husband 100 percent, a source close to the couple tells ET.
"He just needed some rest," the source says of Kanye. "[Kim] is currently with Kanye right now at his side. Kim feels more connected to Kanye than ever. Their marriage is doing great."
WATCH: Kanye West's Difficult 2016 -- A Timeline From 'Life of Pablo' to Kim Kardashian's Robbery to His Breakdown
Kanye remains hospitalized at UCLA Medical Center where he continues to recover from what a source called "a mental breakdown." Prior to the hospitalization, Kanye had been making headlines for erratic behavior at his latest shows, before abruptly canceling the rest of his Saint Pablo tour on Monday.
"It was a combination of a lot of issues: stress, anxiety, paranoia. He just broke," the source previously told ET. "There have been signs recently of him just overwhelmed. Kanye hasn't been himself for a while."
According to our source, 36-year-old Kim was "terrified" when she heard the news of Kanye's hospitalization. Kim was in New York City to attend the Angel Ball, but quickly flew back to Los Angeles and straight to the hospital to see Kanye.
"She was so scared when she heard the news and rushed to his side," the source said. "There was no question about her staying in NYC. She had to be with him last night."
Meanwhile, the Kardashians are showing their full support for Kanye. Kourtney Kardashian sported Yeezy sweat pants flying back to Los Angeles from NYC on Tuesday, in a clear sign of support for her brother-in-law.
ET spoke to his mother-in-law, Kris Jenner, at the Angel Ball on Monday, when she said she thought Kanye was "exhausted."
"I think he's exhausted. Just really tired," Jenner said. "It's a grueling tour."
WATCH: EXCLUSIVE -- Kim Kardashian 'Terrified' After Kanye West's Hospitalization: 'He Hasn't Been Himself in a While'
Watch the video below for everything we've learned so far about Kanye's hospitalization.
-- Additional reporting by Jennifer Peros