Sick Call on Seif

On a flop of , Mark Seif checked and Seat 3 bet 400 into the 1,000 pot. Seif made the call as the turn came
. Both players checked to the river which was the
.
Seif fired out a nearly pot-sized bet of 1,600 which caused Seat 3 to go into the tank.
"You're killing me buddy," Seif teased after more than a minute, "Just go all in and it'll be over, I'll fold."
"I'm not sure I believe that," Seat 3 replied before making the call.
"You got me buddy," Seif said. Since Seat 3 made the call, he waited for Seif to reveal his hand. Seif reluctantly flipped over the . Seat 3 turned over
for a king high.
"I just couldn't put you on anything Mark," he explained as he stacked his chips.