Oh Gal what a shame after your lovely break (((x)))
It might do you some good though, if Jan has a busy day to cope with alone, maybe?
And of course it was a compliment
My aunty worked for years and years at the village GP's practice, part-time, on her own. She'd gradually got more and more stressed and tired out, and had constantly told the powers that be, very nicely at first and then more desperately, that she couldn't possibly manage.
When she retired (early), she was first replaced with someone doing the same hours - 4 times within as many months
After each one in turn had said exactly the same, eventually there were 2 people, job-sharing 1 full-time post, plus one part-time. And when she went in, they still said how busy it was!
All the while you seem to manage, nothing will be done.