Ah, then you do derive some benefit from helping others. In that case, Rand would have approved quite heartily. It was only hair-shirt denial that she criticized.
The credo that I must help others even though it hurts me -- indeed, because it hurts me. That's the definition of "altruism". She hated that.
So do I. Because it's always false and usually imposed from above.
Excellent post! Nailed it exactly.