I'm 14 days post op, any advice?

I got the surgery on the 24th of January, so 14 days ago today. I did 10 days of preop diet and I'm now on the puree stage, and it's been kinda tough.

So far ive lost about 7kg. I am 23f, I have PCOS and insulin resistance so I got the surgery to try to deal with my weight gain and related health issues. For some context as well, I am 165cm, highest weight was 100kg, on the day of the surgery I was 97.5kg and I've been 90kg for the last 2/3 days I think.

It's been really rough not eating anything for the last few weeks, and I'm kinda needing some advice on how to deal with everything. I'm low energy and walking up the stairs has become harder despite the weight lost.

What are some tips you may have to get through these stages and get my energy up and once the soft food stage is over, what are some recommendations on what to avoid when on solid foods? Also, any tips to avoid loose skin? Or anything else really! Thank you!