1. Companionship: For people who feel lonely or isolated, silicone love dolls can provide a sense of companionship and emotional connection. Interacting with a doll provides comfort, support, and a sense of being nearby.

2. Sexual Satisfaction: Silicone love dolls provide a way of sexual satisfaction and contentment. They provide a safe and non-judgmental outlet for exploring sexuality, fulfilling sexual fantasies, and experiencing physical pleasure.

3. Fantasy fulfillment: Love dolls allow individuals to explore their fantasies and desires in a controlled and private environment. Whether it's a specific appearance, personality traits or sexual scenarios, dolls cater to a wide range of preferences and fantasies.

4. Emotional Expression: Some people use silicone love dolls as a form of emotional expression or creative outlet. They may dress up their dolls, take photos, or participate in role-play scenarios as a way of self-expression and exploration. Replace their dolls with some more beautiful sex doll heads to meet their various needs.

5. Therapeutic benefits: Silicone dolls can provide therapeutic benefits for people dealing with issues such as anxiety, depression, or trauma. The act of caring for a doll, making physical contact, and experiencing intimacy can provide feelings of comfort and healing.

6. Artistic inspiration: Love dolls are sometimes used as models for artistic endeavors such as photography, sculpture, or fashion design. Their lifelike appearance and poseable features make them versatile subjects for creative expression and exploration.

7. Autonomy and Control: Love dolls provide users with a sense of autonomy and control over their intimate experiences. Users can determine the terms of interaction with the doll, including its appearance, functionality and behavior, without the need for external verification or approval.

In short, a full size sex doll can bring many benefits to people, such as companionship, treatment of various problems, etc.