If I get one solid hit of good stuff, like OG kush or trainwreck, I could just stop there, because I hold the hit for like a minute and I don't cough. My friend on the other hand uses twice the dank, cause he takes these little gay hits and doesn't hold them in for shit. I got high like at least 6 times off the last 25 sack I bought. And people were smoking with me some of those times. I really think it comes down to what you smoke though. I've had some weaker sativas and it took a full bowl for me to feel as high as half a bowl with the really crystally stuff.