>>42264000
They easily recognize each other in any form by subtle patterns in how they move and talk, just like you can recognize your favorite actor in any movie. Not a big deal.
>>42264173
On the one hand, love may be cheaper than food, depending on how much an average changeling needs per day. On the other, I obsessively daydreamed about solitary space exploration long before FiM. It's difficult to imagine what life would feel like if it was fundamentally unthinkable.