Sometimes I think about the warning signs I missed with some people

I remember someone from a few years ago on here . They told me they were going to kill themselves...I started to talk them out of it ...then they were acting likr they took a bunch of pills while talking to me ...then acted as if the pills were affecting him . I didn't hear from them for a couple of days ...I was worried about them ...the next thing I know I see him joking and bantering on here like that didn’t happen ... i confronted him about it then decided that would be the last time I do that ..... * sw memory lane * 🙄