4 Things You Didn't Know About Harry Connick Jr.

— -- Harry Connick Jr., 46, has been in the entertainment business his entire life -- but it turns out we've only just scratched the surface of this man.

Connick Jr. stopped by "Good Morning America" today to promote his new movie, "Dolphin Tale 2," but ended up sharing a bit more than he expected.

Here are four things you never knew about the actor:

1. What's your worst habit?

"Probably wearing Crocs."

2. What's the one thing you'd change about yourself?

"I think I'd like to be a little bit more patient. Hurry up with the next question!"

3. What's your most embarrassing quality?

"I beat on things a lot around the house, like sinks and pots and pans. I like making music. It's more annoying than embarrassing."

4. What's your guilty pleasure?

"Junk food. Any kind of bad food."