I am a CSL of a cub pack. I have never had any problems in terms of MH, however its not something I have been all that open about with the other leaders either. The only issue I have found is the factor of spending too much time doing scouting things and not having time for myself. I did find running the pack rather overwhelming this term and as a result have not attended every week. The likehood for me personally is that I will not return back at the start of the term, I will take a break until I feel a little more motivated.
I also used to run climbing at a scout activity centre too, but it all became too much and I have just stopped going to that.
Good luck with your scouting and guiding sections.