Desperate to do this but so confused about how! Diet related - please can you help me?

[Izitso]

Hello. I'm so down and weepy about my weight and yet I can't seem to make a good start.
I am 5'3" and now weigh 13 stone - my heaviest yet. I have rheumatoid arthritis and fibromyalgia but also have coronary artery disease (60% blockage) and am now told I'm pre diabetic. My problem is that I don't know whether I should concentrate on low fat (for my heart) or low carb/ full fats for weightloss and to get out of pre diabetic state. Please can someone advise? I will see my gp or nurse to discuss it when I can but don't feel I can bother them while things are so focused on covid problems. Thank you for reading, this is starting to affect me in a bad way and I would just appreciate any thoughts you may have.

Hello again. I just popped back in to say that I can speak to my nurse on Thursday next week. The last few posts have really resonated with me. I would never ask my family to forgo all treats, this is my problem and they are going to support me by having/ keeping their after tea snack in their rooms - it may sound silly but it's what we're planning to do as a start. I myself adore Greek yogurt with strawberries - just need to make sure I choose and shop for them rather than biscuits. I have all weekend to read up online (managed to do a bit yesterday) and I have bought the kindle version of Atomic Habits. I am successful building habits in to other areas if my life but, so far, not this most important one. I totally agree that I "elevate" biscuits etc into a reward category for absolutely anything and I'm ashamed that I can't seem to turn this around. I am interested to read more about carbs as sugar plays far too big a part in my diet - I am going to list a typical day's eating in MFP and look at the nutrient division. Anyway, I do appreciate every one of your posts and I know I need to find strong willpower to make changes. Thank you all.

Well done, OP. I also liked listening to Atomic Habits on audible as it was like having a coach talking to me. I'm listening to it again on the back of this thread actually.

TenCornMaidens your posts have been really encouraging, thank you. I feel I have already come a long way since I first posted - just gathering information and being pointed in the right direction has been so helpful. I will post in another appropriate forum once I decide which path to take!