Oxytocin was found in all mammals, but oxytocin was found in monkeys is different.
The term puppy love is often used to describe the love of teenagers who are not serious. But apparently even a monkey could love. The scientists managed to find love in monkeys hormone called oxytocin. Called the love hormone oxytocin plays for regulating the activity of reproductive organs and social behavior, such as ties between groups, mother and child.