Just got over a nasty case of the flu. Lasted about 7 days, 5 of which were really bad. I lost a ton of weight, but i presumed it would be mostly water weight since you can\t loose that much muscle in a week. Boy was i wrong, after my first day of normal eating and training im still 10 lbs lighter and you can tell a lot of that is from muscle. I lost quite a noticeable amount in my chest and in my arms. Has this ever happened to anyone? did you experience your old level of muscle returning quickly? any other advice for me?