Bohut sey naujawanon ka khayal hota hai kay unn ka zakar lambaee mein chota hai jis ki wajah sey woh shaadi kay qabil nahin hotey. Aksar naujawanon ko apney zakar (penis) kay hawaley sey sirf ghalat fehmi (misconception) hoti hai kay woh chota hai hala'n kay woh chota nahin hota. Iss ghalat fehmi ki kaee wajoohaat hain.
Fard apney zakar ko ooper sey dekhta hai, jiski wajah sey sara zakar nazar nahi aata aur fard samajhta hai kay uss ka zakar chota hai. Mazeed agar fard ka paet kuch nikla hua ho to woh bilkul hi chota nazar aata hai.
Iss kay elawa naujawan fahash films kay hero kay zakar kay sath apney zakar (penis) ka mawazna kartey hain. Fahash films mein kaam karney kay liye aisey afraad ka intekhab kya jata hai jin ka zakar (penis) lamba ho maslan ek American actor ka zakar 18 inches lamba hai. Iss kay elawa camera trick ki madad sey aam zakar ko lamba kar kay dikhaya jata hai jis ki wajah sey iss actor ka zakar muqablatan bohut lamba nazar aata hai.
Ba'az naujawan apney sukrrey juey bohut chotey zakar sey apney asal zakar kay size ka andaza lagatey hain jab kay ba'az logon ka sukrra hua zakar bohut chota ho jata hai jab kay akarr kar kafi lamba ho jata hai. Lehaza zakar ka asal size akrrahat wala hota hai.
Iss tarah ba'az naujawan apney doston kay barey zakar kay sath apna muqabla kartey hain agarcha inn ka zakar kuch chota hota hai magar unko kuch zyada hi chota mehsoos hota ha Iss ghalat fehmi ko iss tarah duur kya jasakta hai.
Tanau (erection) honay per fard aaeyney kay samney khara ho kar side sey apney zakar ko dekhey to uss ki ghalat fehmi duur ho jaey gi.
Akrey huey zakar ki paemana sey aazma'esh kar li jaey to bhi ghalat fehmi duur ho jaey gi. Khushkhabri yeh hai kay aksar afraad ka zakar unn kay apney khayal sey bara hota hai.
Agarcha zakar ki lambaee ka koi meyar nahin ta'hum ek survey kay mutabiq America mein 50% logon ka zakar 5 inch sey kam hota hai aur lambey sey lamb 13 inch ka. Magar wahan 4 inch ka akrra hua zakar normal mil jata hai. Pakistan mein 3 inch ka akrra (erected) hua zakar normal samjha jata hai. Qadd kaath ka zakar ki lambaee kay sath koi ta'alluq nahin. Albatta hathon kay size ka zakar kay size kay sath kuch ta'alluq hai. Amooman barey hathon waley afraad kay zakar lambey hotey hain. Mahireen ka khayal hai kay woh zakar jo faraj (vagina) mein dakhil ho jaey normal hai. (Hyde)