I have recently joined this site. I wondered if there was anyone out there supporting a loved one with terminal cancer long-term. It is so difficult. I want the situation to end, but then again I don't want it to end as I know what the end will be. I care for my mum. She was diagnosed in September 2008, following a heart attack. I feel I just want to be with her all the time. Holding down a full-time job is becoming…