I did volunteer work at a soup kitchen and through the connections I made there I worked with someone who kicked my butt and fixed my resume. If that hadn't happened i wouldn't be making the salary I am now.
The ancient wisdom: give and it will be given you is mysteriously powerful. Humans want to help those who help others, it's in our genetics.
It is the first step of forming an alliance and symbiotic relationship between adversarial systems.
When two humans want to acquire all the assets of the other and make the other one the slave, the first step in starting an alliance is doing a cost benefit analysis of how things would be easier for both if cooperation was done. Often times the one persuaded is reluctant until one human takes a leap of faith and gives, in expectation of receiving. It's all highly mathematical and I could create an algorithm to describe it. But you wouldn't recommend that either.
The ancient wisdom: give and it will be given you is mysteriously powerful. Humans want to help those who help others, it's in our genetics.