The lawyer’s 15-year solitude in “The Bet” leaves him ___________________

.... thin and gaunt.

At the table a man unlike ordinary people was sitting motionless. He was a skeleton with the skin drawn tight over his bones, with long curls like a woman's and a shaggy beard. His face was yellow with an earthy tint in it, his cheeks were hollow, his back long and narrow, and the hand on which his shaggy head was propped was so thin and delicate that it was dreadful to look at it.