Second is referral scheme. You and your referral get 10btc back each every time you refer someone.
Without the fee there would be nobody to perpetuate the scam.
Sounds like a Ponzi - he will keep it open so long as he gets new victims signing up. Then - poof - he will be gone. There are so many Mirceau's and Popescu's in Romania that he will easily disappear into some remote village. Probablly not his real names anyway. They seem too generically Romanian.