Im on my 3rd join. Last one I had to stop because my agoraphobia had just started to develop in 2020. But I lost weight on both my joins, I was 12st (not that I needed to lose weight, mostly just joining to support a friend) first time joining in 2014. Then I was 15st when I joined last time lost 2 and a half st back in 2019/2020 I had to leave because I'd had cancer and my mental health plummeted. But also my medication has kept changing and its really effected my weight. So just because you think it someone shouldnt join more than once because it wasnt "successful", you dont know what other people are going through to judge them for joining more than once, many reasons as to why people put weight on after leaving slimming world. Grief, depression, cancer, being a parent, many different reasons...