Any hair loss is not due to the drug, it’s simply due to weight loss and temporary, so unless you wish to stay overweight for ever, I’d not consider that a reason to not do it, hair loss is temporary
side effects 80 percent have no side effects, the rest minor, tiny amount have issues with things like pancreatitis, but that comes from weight gain or loss anyway,
as for do they find something in thr future, do you feel like this about all prescription drugs? These drugs have been in general use for over 20 years, trials 15 years, the peptides first discovered in thr 1950s. With a precursor in the 20s. How long do you need when a doctor normally prescribes to you?
obesity on the other hand is the biggest killer we have, cancer, diabetes, heart conditions, stroke, skeleton impacts, joints.
are you ok with the obesity risks but not prescription meds and temp hair shedding?
as for enjoying food, I’ve always enjoyed my food throughout, I went up to 10g, been on them over a year, now on 5mg as maintenance, which I will stay on. I’ve lost over 6 stone, am a size 8-10 and feel fab, I have always continued to cook , socialise, go to restaurants, I just make healthier choices, don’t stuff myself, and eat healthy portions and stop.