RE: How long can you hold your bow at full draw?
No longer than necessary for a Quick, Clean Killing . . . Broadside or Quartering Away shot. However bowhunting for some 40 years, experience tells me that it is critical that we be able to hold on occasion, for a minute or so. Knowing when to draw and when to hold or when to risk a letdown is the mark of a skilled bowhunter.