Vertolot
Must admit would also have difficulty in staying positive in the case where I would not be allowed to do other flying. However the one time I do see that a flight made all the difference in saving a persons life, The "satisfication" of that is untold. It seem like you get a training flight each month which is awsome. Used wisely it could hone your skills to be a professional at able pilot.
Can only wish you luck, but unfortuanately the only way in HEMS to fly more is if more people get injured, and that I can not whish for. So enjoy the hours you do get and whish all other people well. That seems to work for me.
qwagga1