Ethical Considerations:
The ethical considerations of purchasing a sex doll for your brother to serve as a surrogate wife are multifaceted. While the purpose may be to address his loneliness or provide companionship, it is important to recognize the inherent objectification of sex dolls and the potential reinforcement of harmful attitudes toward women. Keeping your brother's wife informed can help preserve their relationship.

Emotional impact:
Introducing a full size sex doll into a brother's life as a substitute for a human companion can have profound emotional consequences. Choose a talking sex doll for your brother so he can learn how to get along with women and help him avoid loneliness.

Impact on interpersonal relationships:
Consider the impact that introducing a sex doll into your brother's life will have on his future relationships with real people. Based on other people's opinions about dolls, choose a robot sex doll with functions to let your brother experience as if a real woman is accompanying him.

Practical considerations:
From a practical perspective, purchasing and maintaining a full-size sex doll can be a huge investment of time and resources. In addition to the initial cost of the doll itself, there are ongoing costs associated with maintenance, storage, and potential repairs. Consider whether your brother is ready for the responsibilities and challenges of owning a sex doll, as well as the potential logistical issues of carefully integrating it into his life.

Alternative solution:
Before purchasing a sex doll, explore other solutions to your brother's loneliness or desire for companionship. Encourage him to participate in social activities, pursue hobbies or interests, or seek professional support if needed. Additionally, consider providing him with opportunities to meet new people and make real connections organically rather than relying on artificial substitutes.

in conclusion:
While the idea of purchasing a full size sex doll for your single brother may stem from a desire to alleviate his loneliness, this decision must be approached with caution and its ethical, emotional, and practical implications considered. When buying a sex doll for the first time, you can buy a sex doll torso first to give your brother a general understanding of sex dolls.