LeBron James on Facebook: 'I PROMISE to get better'

Cleveland Cavaliers star LeBron James has had a tough time getting over his team's loss to the Golden State Warriors in the NBA Finals.

In a Facebook post on Tuesday, James reiterated his feelings from a few days earlier, saying, "It hurt to lose. I've been in a funk lately."

But accompanying the post was a picture of James' sons taking a ride on a roller coaster. James credits them — and the fans — as his motivation.

In the second half of the post, James acknowledged the incredible season the Cavs had, and issued a promise to get better.

It hurt to lose. I’ve been in a funk lately, but this… this is what motivates me to do what I do. How can I ever be down...

Posted by LeBron James on Tuesday, June 23, 2015

Cleveland can expect a hungry, and even more determined LeBron James next season.