How to use "instinctual" in a sentence

Beneath his cordial, witty, slightly cool exterior, his secret response was that of a healthy male animal, and her awareness of it was more instinctual than intellectual, like a mare's response to the stallion's first faint stirrings of desire.

As Elliot drove away from the burning house, his instinctual sense of danger was as sensitive as it had been in his military days