Feel like giving up

In the beginning, I was pumping 8 times a day every 2 hours using my Spectra S1 pump and was doing 15 minutes per breast. I did this for 2 weeks and saw no results. I'm using the correct flanges too and have been measured by my lactation consultant. This was ruining my mental health and I was having to leave my baby crying so much whilst pumping (he gets hungry every 1-1.5 hours sometimes). I scaled it down to pumping once every 3 hours now.

I posted a few days ago about how I'm seeing no results. Some suggested power pumping each night for an hour. I've been doing that every night for the past 4 days (whilst pumping 6-7 times a day, every 3 hours) and STILL am seeing no results. I'm hydrated too! I feel like giving up. I've worked so hard to try and increase supply. Many see an increase in 2-3 days of power pumping and I still get really small amounts!