k....
have you ever heard of the concept of
synchronicity
i don't think it violates any of the precepts of rand's philosophy, but it includes the value of "coincidence" in one's life
in our example, it could be argued that saving a stranger's live could end up providing something of value to your self interest....it could be something estoteric, like compassion, or love, or something material, like money or a job
one of the reasons that i've modified my perception of rand's "individualism" so heavily is because i've come to understand that there are no coinky-dinks (i'm not talking about some divine plan here, just to be clear)
and the taking of risk is not about analyzing the results before hand, imo....certainly, some critical thought is valuable -some risks are stupid....but the essence of risk is that you can't know how it will turn out.
you may die protecting your self interest (your mom)....you both may live
you may protect your self interest and refuse to risk your own life for a atranger, and let the guy who is THIS CLOSE to a cure for aids die....and then die of aids.
it is the nature of risk to be open to possibilities
it is also the nature of self-interest, imo.