1. be patient
2. do research
3. analyse
4. be consequent
5. do not follow blindly (don't be a sheep)


I would buy now, cause I am sure that it will go at least to 150 soon or if not it will recover even after year or two, but - it may also fall, I know it and I decided that I will not be affraid of this.
But it is based on my own research, if I will loose I will get lesson and will adjust my predictions.

And about marshmallow experiment, read this thread:

"60k Moneroj. Will i be a millionaire by 2017? 19-07-2015, 13:26:25"

https://bitcointalk.org/index.php?topic=1128049.0%3Ball