Man's best friend?
D000293:Adolescent; D000328:Adult; D000368:Aged / Q000523:psychology; D000818:Animals; D000829:Animals, Domestic; D002648:Child; D005260:Female; D006801:Humans; D008149:Love; D008297:Male; D008875:Middle Aged; D000297:Psychology, Adolescent; D002666:Psychology, Child; D012931:Social Environment