Hi I work 12 hrs shifts and do 48 hours a week at present time I work tue wed sat sun and these shifts work fine for me and fine for the lady who works opposite my shifts but now manager wants to change my shifts which will make me work 3 on 1 off 3 on over a 2 week period plus other days but what I'm going to struggle with is the 3 on 1 off 3 on is there anything I can do thank you