“Their marriage is far from perfect,” a source spilled. “Sometimes it seems like a powder keg.
So they like to get the tension out with strenuous exercise and by getting physical with each other!”
The couple — who tied the knot in 2002 and have three kids — enjoy hiking and hitting a rock-climbing gym in Los Angeles. But their real passion is boxing!
“Julia loves it,” the source snitched.
“She gets to ‘punch Danny’s lights out’ with a valid excuse.
“They’re both in great shape and, amazingly, it’s improved their relationship. They leave all their troubles in the ring!”