That element of death evoked a sense of instinctive fear and tension for survival. The Id is also the unconscious and stems from our instinctive abilities. Some instinctive behaviors depend on maturational processes to appear. Images of suffering children are the ideal triggers of this instinctive compassion. The first three subdivisions of the instinctive mind are passions, desires, and lusts. This is considered an instinctive behavior, preventing inbreeding. The brother represents the instinctive and the sister the rational side. He termed his eclectic approach "outlaw style," an unpredictable and instinctive blending of personal artistry. Puppy play is often about being playful, mischievous, cheeky and instinctive. For some animals, tool use is largely instinctive and inflexible. His playing style is instinctive and natural. She's very natural, very instinctive and a natural actress. Infants cry as a form of basic instinctive communication. This is attributed to males having an instinctive attraction to the swellings. He is an instinctive tactician and strategist.