If we're all going to die and feel pain, then what's the point of happiness?

What are some respectful ways to approach conversations about autism without making assumptions about someone's experience?
What are the best vitamins and supplements for good memory and brain health to buy at a pharmacy?
How do people find the motivation to start new projects or activities after experiencing a significant loss?
What are the best approaches to mediating conflicts between strong-willed engineers in a productive way?