That whole list of worries feels genuinely familiar. What helped here was learning about the broader benefits of this drug class beyond weight loss through podcasts. A couple episodes covering the science side really eased worries, especially around side effects, since most turn out manageable through timing adjustments and eating smaller amounts more frequently.
Zero real issues here or among people known personally, beyond significant appetite suppression. Recommendation would be sticking to small, regular meals even without hunger cues, especially relevant after gastric procedures, genuinely helps with any nausea. The scarier hyped-up reactions people mention, weakened bones for instance, usually trace back to poor nutrition while on the medication rather than the medication itself, so worth keeping an eye on that.
As for needles, oh, genuinely relate to that fear too. At one point self-injecting became necessary daily for a couple weeks, and it was hated more than almost anything, so understand the nervousness completely. That said, the needle on this pen is remarkably tiny, barely noticeable at all. Works pretty simply, basically just...