As you approach your room, you hear a nice old jazz, playing from your roommate's working cabinet. Your curiosity takes over, and you entered Lex's room. At first he didn't notice you, as he was enthusiastically examines ancient remains of human skulls, but Lex quickly turn to you, greeting you with his signature optimistic smile
-Well hello there, old chap! Its a pleasure to see you again! Sorry, for not noticing you earlier, but you know how this work can Keep me busy for a few hours. However, I have already finished, so I am all at your service. What can I do for you, old friend?