The 54-year-old, who is already a father to daughter Ireland, 17, from his previous relationship, is excited to welcome the child this summer, reported People magazine.
"Being around a woman when she's pregnant and I'm older now � quite a bit older, actually � it's just really... It's amazing. Like my wife, the pregnant woman, the hormonally charged woman if you will � it's thrilling. It's a thrilling thing to observe," he said.
The actor also said he is doing his part to keep his yoga instructor wife relaxed and happy.