I can also recommend the book that Dan mentioned (from Allen Carr).
I mean, it can be a waste of time to convince someone of something that he/she doesn't want. But you have somewhat an influence of what kind of information someone reaches and what therefore he/she will think about and therefore relatively indirect you have an influence what someone finally wants. Thats where you could start. Giving information. Talk about the horrible things you read about in the newspaper (the familiy father that died of lungcancer at 45 and left 4 kids behind and stuff like that...). But do it in an detached way. As if it is not about your father. More like: These other people, gosh, what they are doing is so wrong... you get the idea, i hope. And of course don't talk about that all the time. Just once in a while.
Hope that helps. |