How to write a anonymous letter to my friend about cannabis?

Everyone's different, some can blaze a splif with no noticeable effect, some it completely wrecks. There is a saying: Dope are for people who can't handle reality, reality is for people who can't handle dope. I've known people who've indulged for 40 years or more and lead somewhat normal lives, and people who realized early on that they weren't capable of maintaining. The one strategy that for sure don't work is demanding they stop doing whatever you feel they shouldn't do, that usually doesn't end well. The propaganda that the government puts out is basically all lies, and more people die from aspirin in a year than have ever died from cannabis consumption, in fact, nobodies ever died from cannabis. Next time she's got bloodshot eyes tell her she needs some Visene.