First thing, your neck posture is horrendous, you need to correct that ASAP, it also looks hwve you have excess BF so not just cal deficit but also incorporate strength training to boost extra test and muscle, maxilla is recessed asf, low hyoid, I csn guarantee you your whole tongue isn’t sitting at the roof of your mouth (may be an obstruction thing) just stop the front third collapsing to the bottom pallete, honestly if you go to the gym it requires you to have good posture to a certain degree so just try because there’s quite a few issues