The only three possibilities of why one person interacts with another person – if it is not based out of fear is either, ideally – which is actually quite rare: because they have unconditional love for them…, because they are humble, and therefore respect the other, and therefore seek the benefit of the other, which in fact is how God and the Rebbe see you! therefore they seek to assist the other. – In the exact opposite because "they" are arrogant, and they see you as a threat to their dominance of the world, which believe it or not because the world only exists in our own mind, therefore when we are arrogant and believe WE are the most important thing! we even hate God, for all things that we deem important are seen as competition to our "status" which will be annihilated; and last but not least, as in the case of business, it’s just simple, Exchange