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Tired of the back and forth between Dawson (Monica Raymund) and Casey (Jesse Spencer)? Heading into season five of Chicago Fire, the couple is recommitted to their relationship and potentially stronger than ever.

"I think we've seen a rekindling or a commitment to a family now, beginning of season five," Spencer tells E! News ahead of the premiere. "They've been back and forth so much I think it's good that they're going to commit to each other and do this thing."

Season four ended with the couple reuniting, which means Casey will now help raise the cute-as-hell foster child Dawson had taken in, Louie.

"He's a family man at heart—probably—and he's always wanted kids, and it didn't come in the way he expected or necessarily wanted," Spencer explains. "But as firemen, [we] improvise, adapt and overcome, and that's what he has to do in his personal life."

At the top of the post, watch Spencer's interview for more spoilers about what's coming up on the show and whether the One Chicago universe could take on another expansive TV family with frequent crossovers: the DC TV universe.

In the second video, please enjoy the best scene from the Chicago Fire season five premiere, which features Brett reading erotic firehouse-themed fiction to the house—when they all realize that the characters are more familiar than they'd expect.

That's right—someone in the house is writing romantic fiction based on his or her coworkers, and everyone in Firehouse 51 can't wait to figure out who the author could be.

Chicago Fire airs Tuesdays at 10 p.m. on NBC.

(E! and NBC are both part of the NBCUniversal family.)