45 year old diagnosed with Gleason 7 prostrate cancer (3+4). Was feeling positive but now I feel different. Is it normal to have negative thoughts and feelings?

Hi

i got diagnosed with level 7 (3+4) prostrate cancer last week.

No treatment is required at this stage as I’m being actively monitored (every 4 month blood PSA tests and 12 months MRI scan).

I’ve been told it’s low grade.

Initially after being told I was fairly positive, it’s low grade, no treatment is required and it’s being actively monitored so if anything changes it’ll get picked up early, I was comfortable to tell my close friends and family and senior colleagues at work. I didn’t want a fuss I told them, I’m not that sort of guy. I’m a very private person when it comes to personal health matters.

After a few days though I feel different, less positive. Maybe it’s hit me that I have cancer. I’m starting to Google survival rates. I’m starting to think differently about things in my life that would ordinarily excite me. I’m now starting to feel self pity, I want to message some of the people I told to tell them I’m feeling down but I don’t want to burden them.

I’m starting to feel angry at my body. I’m starting to plan for life without me (I have a wife and two teenage children).

I’m hoping people will tell me I’m overreacting and these are normal thoughts and that 3+4 is indeed low risk. 

Thank you