[It takes a little bit before Al responds--between The Incident and Ed and Winry leaving, he's rather emotionally sore. Plus he's not sure how angry Lust still is at him over the whole thing.]
...part of it is survival. Adrenaline as part of the fight-or-flight response becomes excitement or anger, and without endorphins humans wouldn't have any incentive to interact with one another or continue the race.
But...even aside from that, if we didn't have any emotions, I don't think you could really say that 'life' exists, at least not the way we think of it. There wouldn't be any variety, it would be...cold. Honestly, I don't think intelligence could even exist at all without emotion along with it.
no subject
...part of it is survival. Adrenaline as part of the fight-or-flight response becomes excitement or anger, and without endorphins humans wouldn't have any incentive to interact with one another or continue the race.
But...even aside from that, if we didn't have any emotions, I don't think you could really say that 'life' exists, at least not the way we think of it. There wouldn't be any variety, it would be...cold. Honestly, I don't think intelligence could even exist at all without emotion along with it.