Heidi Montag and Spencer Pratt open up to Life & Style, about how four-month-old son Gunner has helped them appreciate each other more.

"Having a baby definitely brought us closer together," Heidi, 31, exclusively tells Life & Style. "Everything just has higher stakes now. It has brought us into a whole new depth."

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Such a fun family day out!

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Spencer, 34, agrees with his wife of nearly nine years. "It's made me just appreciate Heidi even more than I thought I could," he says, adding that he’s impressed with how she stays upbeat "even though she hasn’t slept in four months!"

The former co-stars on The Hills recently teamed up with PodcastOne to launch the podcast Make Speidi Famous Again. But priority No. 1 is definitely Gunner. "It's magical knowing you created this little angel," Spencer gushes. "It's definitely worth all the throw up on my face."

For more, pick up the new issue of Life & Style, on newsstands now!