A friend, likely, no - she'd said brother, the word is warm and settles in his heart. 'I will make inquiries,' he says, in what he hopes is a tone that sounds somewhat reassuring, though to his ears it differs no more or less than his usual calm and measured. Vulcans aren't known for being gentle, and humans do not respond well to logic. 'I am gratified to meet you, Miss Tam. I am Spock.'
shhhh nothing to see here