To avoid that to happen it's always better to give them pointers to review before letting them to pursue their own careers inside this market.
Recommendation always inside us as we wanted our friends or love ones enjoy those benefits that we are having from this industry.
But the difference is we all understand the risk, and that what you have to introduced to them before anything else, letting them understand that there's always a high risk that they needed to surpass in order for them to enjoy and succeed from this venue of investment.
You give them the pros and cons and all of the possibilities of what will happen if they enter.
That's the safest thing to do and you have disclaimer and it's like telling a summary of your experience on them so that they will be aware of what can be their state after buying.