The abstract doesn't use the word happy. It says "(98%) people who had started gender-affirming medical treatment in adolescence continued to use gender-affirmi

The abstract doesn't use the word happy. It says "(98%) people who had started gender-affirming medical treatment in adolescence continued to use gender-affirming hormones at follow-up." Perhaps they continued to hormone treatment because they were happy, or perhaps they continued because they had been set on a social and clinical pathway with no off-ramp.