about ten seconds, ten seconds, that is, and their brain gradually shuts down and ultimately their body shuts down. nobody suffocates, and there's no pain, and it's a very comfortable, simple and easy death and one that i have personally witnessed, and i can testify that there's no pain and there certainly is not suffocation. >> so you say there's no pain, but you say that your exit guides are there with the helium tanks and plastic hoods and help assist these individuals who want to die? >> well, yes, we're there to comfort the person. if you were going to end your life, wouldn't you like to have somebody with you? maybe someone to offer you a little compassion and maybe hold your hand as you were on your way out? that's all we do. comfort people and hold their hand.