"Clearly he is lying lol." Just because you can only do 50? Nice friend you are, calling him a liar. Fitness levels vary.
"We cannot change the cards we are dealt, just how we play the hand." ~ Randy Pausch
"There's a difference between interest and commitment. When you're interested in doing something, you do it only when circumstance permit. When you're committed to something, you accept no excuses, only results." ~ Art Turock
"We have a saying in Tibet: If a problem can be solved, there is no use worrying about it. If it can't be solved, worrying will do no good." ~ 7 Years in T
My friend told me that he is capable of doing 800 consecutive reps @15kg of the seated cable row machine. Clearly he is lying lol. But what would be the threshold and the maximum amount of reps a person could do with 15kg? I doubt I could do fifty.