Question

what is the science called that is about how people are affected by other people? and not sociology or physcology

Answer 1

anthropology?

Answer 2

politics...? (well, technically politics is the study of power, but it counts for more intimate relationships too).

Answer 3

I'll go with politics too, since it is actually defined as an interaction between two people thus it is politics. I just forgot how Plato defined it but that is how its meant...