Sibling warmth is a term for the degree of affection and companionship shared by siblings. They are usually kept for companionship or enjoyment. Early adolescent relationships are characterized by companionship, reciprocity, and sexual experiences. This may be for companionship, procreation, or an intimate relationship. For a time, she enjoys the pleasure in Nature's companionship. In contrast to her twin, Selma yearns for male companionship and children. Himalayan cats are devoted and dependent upon their humans for companionship and protection. Friedman testified that it was a longing for companionship that caused Dahmer to kill. The companionship of George and Lennie is the result of loneliness. Domestic cats are valued by humans for companionship and their ability to hunt rodents. This may include community support such as food, household chores, mother care, and companionship. Initially, aristocrats kept dogs for both companionship and hunting. Reference material suggests various relationship roles, varying from companionship to partner. Pugs are playful and thrive on human companionship. He provides her with much needed intellectual companionship and attention.