♫ - What kind of music do they enjoy?
I would like to imagine that Weiss enjoys more contemporary pieces. Pieces that include pianos or string instruments are her favorites. However, personally my muse is excited by or pumped by female indie/indie-pop singers and rappers, and some deep indie songs. Typically, softer songs appeal to her (with the exception be the female rappers).
♔ - Do they value loyalty?
Absolutely! Loyalty is something Weiss really values in a person. When she is loyal to someone, she is loyal. And she only expects the same from them. However, those who prove to be unfaithful to her will face a wrath--perhaps a living hell. Never mess with those who have excessive amounts of money.
♕ - Do they trust easily?
Absolutely not--earning the heiress' trust is an arduous task indeed. Growing up to be head of a multi-million dollar company, she has learned that trust is something not to give easily, for those she gives it to she expects not to break it. Even if one breaks her trust once, they will not receive a second chance. She is cold, unforgiving, remember. She gives one chance only, so use it wisely. She can't sit around hurting her emotions all the time.