Board Thread:Episode Discussion/@comment-14138255-20160117163823/@comment-24993958-20160131100830

He’s referring to off screen interaction. You can’t just dismiss the fact they live next to each other and constantly socializing due to the setting offered because the show didn’t want to focus on that.

Regardless, if you want solid proof that Ruby and Jaune are good friends, you really need only look at volume 2 and remind yourself who was the first person Ruby called when she needed backup before Breach.