Another corollary is that there's no need to deliberately and painstakingly maintain a relationship. The estrangement and breakdown of relationships are essentially due to changes in product-market fit (PMF). As long as you continue to improve yourself, new PMFs will inevitably emerge effortlessly. This effortlessness is crucial; it's the key to sustainable and enjoyable relationships. Any effortful endeavor will eventually become uncontrollable, exhausting your energy and other resources.