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They're not brothers-in-law yet, but they might as well be.

Kris Humphries -- who wed Kim Kardashian during a star-studded ceremony in Montecito, Calif. August 20 -- tells Us Weekly that he's forged a close relationship with Kourtney Kardashian's boyfriend Scott Disick, 28.

What brought them together? Perhaps it has to do with a source recently telling Us that the NBA player is struggling to win over the tight-knit Kardashian family -- something Disick has experienced firsthand.

"Scott is full of tips, man. I don't know which I should take and which I shouldn't take," Humphries, 26, said at the Lamborghini Aventador and NUVO Lemon Sorbet Launch in NYC Tuesday. "But Scott and I are becoming closer because we're hanging out a lot in New York. We're just all about living life."

Khloe Kardashian's husband, Lamar Odom, 31, has also given the newlywed some advice on fitting in with the family. "He's given me tips along the way, but I'm just kind of flying at my own pace," Humphries told Us. "Everything's been fun."

For now, Humphries is enjoying every minute of being married to the 30-year-old E! reality star. "It's cool," he raved. "We've been living in New York, and I've been working out a ton and getting out when I can."