What is Dr. Tim Valshtein's area of expertise?
Dr. Tim Valshtein specializes in exploring the relationship connections between interpersonal closeness and personal well-being.
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### Instruction:
What is Dr. Tim Valshtein's area of expertise?

### Input: Not applicable

### Response:
Dr. Tim Valshtein specializes in exploring the relationship connections between interpersonal closeness and personal well-being.<|im_end|>