Depends, what did they sound like, high-mid- or low, think of a dad or a teen voice and what they are saying and as if they get along well or not
Answer:
P.E it's the extension use of muscle to train the body
So I'd say not to toy with their emotions tell them how you feel.
You're not going to like everyone that likes you, it's just best to be honest to them about it but don't be too harsh about it let them down gently.