He's not afraid of embracing his feminine side
Oleg loves the ladies so much, he never been shy about embracing his more feminine side, even going so far as to call himself "a girl's girl." Heck, he doesn't even get the slightest big squeamish when the subject of menstruation comes up in conversation.
"C'mon, say it, 'Tampon, tampon, tampon.' What's the big deal?," Oleg asked Han in "And The Secret Ingredient" (Episode 13, Season 1). "In Ukraine, there are pop songs about it."
Can someone please send us the download link to that ditty?