I'm thinking about getting botox for my square jaw. Should I get it or not? ㅠㅠ!!

In my case, I'm really worried about my square face, so I'm really debating whether or not I should get Botox. Looking at the reviews, it seems that square faces can really turn round. But some people say it doesn't work, and some say it's not about the effectiveness, but the side effects. It's not an unfamiliar procedure, so I'm not worried, but I'm really debating whether or not I should get it.!! If there's anyone who's tried it, could you tell me what it was like? If it's really effective, I really want to try it! I'm also curious about the side effects. There are quite a few side effects with Botox, so I'm really worried. ㅠㅠ I'm especially worried because it's not for a specific area, but for the entire face.⸝⸝o̴̶̷᷄ ·̭ o̴̶̷̥᷅⸝⸝ I'm really debating whether it would be worth getting it once. Does anyone recommend it, or can anyone tell me what the reviews are? I'll be waiting. Thank you so much. ㅎㅎ Or maybe I'll visit the hospital soon and leave a review too!!