They officially started a relationship in Episode 6 of Season 2 and were established to be in love in Episode 10 of the same season, when they exchanged "I love yous".He's had romantic relationships with women before, with the vampire Camille Belcourt being the one that stings the most.
("....she’s a sexual creature and she falls in love with both Dyson and Lauren." - Anna Silk on her character’s sexual orientation.
In episode 17 of season 2, after Toni rescues Cheryl, they share a kiss.
When Charlie first arrived in the Bay, Channel Seven described her as having a "bone to pick and the prowess to do it" in reference to her father's relationship with Morag Bellingham (Cornelia Frances), which Charlie disapproved of because her mother had only recently died.
During the Season 2 Episode 9 episode 'Forever Mine, Never Mind', Rosita invites Waverly Earp to share a hot tub with her.
During the course of the scene, they share a kiss that Waverly initiates, but Rosita returns.