He approached her cautiously. Lucas took the record and slid it out of the sleeve, inspecting the surface for scratches. He then seemed pretty excited and darted over to his record player to carefully put the record on. His body language was almost cartoonishly exaggerated. Having lived multiple lives, unable to communicate, that must have been how he coped. And probably also why he reacted so extremely when angered. 

The record crackled to life and the music began to play. Lucas pulled up his swivel chair and sat in it backwards, his chin rested on the back of it. His scarf was falling down, but he seemed comfortable enough to not guard it quite so closely.