Matthew McConaughey is back to being buff, But Has Weight Loss Taken His Youthfulness?

The muscles are back.  McConaughey apparently had no problem gaining the weight back after dropping 38 pounds for his role in upcoming film The Dallas Buyer’s Club.

The 43 year old actor is re-buffed and back at work.  He was spotted in new Orleans while filming his newest movie called True Detectives.  There is no doubt that his appearance is different.  In less then a year he’s gone from boyish good looks to still looking good, but the word “boyish” doesn’t come to mind anymore.  What do you think? Has the weight loss taken its toll on McConaughey?