We may feel that our answers to these questions are highly personal, but science increasingly shows that the things we find compelling share many similarities at their core. (discovermagazine.com)
just look at a picture of the metroid prime core and dark samus at the end of MP2 and you'll immediately see the similarities (toy-tma.com)
Only one of the two correlational contrasts revealed a significant difference in similarity at Time 1 and Time 2; similarity in depressive symptoms at Time 2 was higher than at Time 1 for female adolescents within reciprocal very best friendships (ZPF = 1.97; p = 0.049). (link.springer.com)