Poor Josh. He's dealing with a breakup on the episode "I've Got You Under Your Skin ."
Added:

Being Human Season 2 Episode 8 Quotes

Emma: Am I gonna see balls?
Josh: I'm so glad you're here. My beautiful baby sister. I need someone who's required to love me.

So this is what you do? You radically mind screw ghosts before you reap them? Classy.

Sally