"It should past in a few hours. Sugar and coffee help." His voice is no less tired than before but Five does sound somewhat more coherent. Sighing, he leans forward, elbow on the table and left hand supporting his head. He gives a small 'thanks' once the sandwich is within reach and after checking that the nosebleed has almost stopped, he grabs it to take a bit before answering.

"No, it's different with me. The first time I traveled back in time s...something went wrong. My calculations weren't accurate enough, I don't know for sure what failed. Time is a complicated science." It changes too much and too quickly, little things affect variables to an immense degree, which is why he's always working on improving his Quantum mechanics skills.