Learning the Hard way

Hi. I should have done this a long time ago then maybe I would be in a better frame of mind right now. I'm one of these 'tomorrow never comes' type of people unfortunately. Was diagnosed type 2 about 8 years ago but never really took it seriously. Didn't try very hard to control the condition by diet so ended up on medication. Still didn't try hard enough & the medication has been increased twice. Don't test every day as I should do...hate needles. Found out today during a fasting blood test that I am also border line stage 1 high blood pressure (checked pressure whilst I was there at the clinic). So...I'm pretty much feeling sorry for myself & banging my head against the wall in despair when the only person I have to blame is myself. I drive freight trains for a living so when I get my blood results next week I'm expecting them to have an impact on my job if I have another increase in diabetic medication. Thats not even taking into consideration the high blood pressure issue. Also taking cholesterol lowering meds which I'm pleased to say have worked as I have been more careful there. And here I am bearing my soul to people I don't even know because I really am at a low point right now.
However...I am hoping to reverse things. The question is can I reverse things? As from 4 hrs ago I am on a diet (yes...overweight), I am eating only fruit, veg, fish & white meat. I am going to walk for a minimum of 40 mins a day regardless of weather or time of day. I am going to put my head down & try my damned hardest to reverse my declining health, secure my job & stop my life & that of my family falling apart. I need to do this, I will do this. I have no choice...period.
So there you have it. This is me. Will be popping in & asking questions & looking for advice. Any help you can give me, dietary tips, life style changes etc will all be most welcome. Thank you in advance. Regards.