Kim Kardashian West has always had a special relationship with her nephew — Kourtney's son, Mason. Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF Tap to play or pause GIF E! / Via kardashianempire.tumblr.com And on last Sunday's episode of Keeping Up with the Kardashians, she brought the six-year-old on an important journey to find a new deodorant. E! Kim took the opportunity to confide in Mason about her current antiperspirant sitch. E! Even though he's, ya know, six. E! And when Mason seemed a little confused about the whole thing... E! ...Kim explained exactly what deodorant is. E! He looked thrilled about this super important hygiene lesson. E! That's when little ol' Mase became Kim's shopping helper and deodorant guru. E! Thankfully, Mason was an A+ advisor. E! E! And helped take control of what could've been a disastrous choice between scents. E! E! E! E! Sometimes it's easy to forget how young Mason is, especially considering how Kim has conversations with him like he's an actual adult. E! But he really is just a kid. E! E! Enough, Kiki. E! E.N.O.U.G.H. E!