Explanation: fixed-interval schedule is a schedule of reinforcement where the first response is rewarded only after a specified amount of time has elapsed. Despite the difference in when Andrew and George gets paid, both are paid on a fixed interval schedule. I.e each of them have a specified period of time they receive their reinforcement. A fixed interval reinforcement schedule is when behavior is rewarded after a set amount of time.
Because they are people just like us and who they love doesn't matter. They didn't even choose it for themselves so why wouldn't we treat them equally.