Snatching defeat from the jaws of victory

Third round in an already dissapointing season. I've managed a draw, and two losses so far.  Moving up to the second table has not been good for my results. In all games, however, I've had large advantages which I was unable to convert. The most recent dissapointment:

This game was lost due to poor time time management, but more to my mental state. Need more toughness!