So ive been married for 11 years ive only ever had sex with my husband and i know im going to sound dumb but i have to ask so for last 2 nights my husband penis has felt different like its smaller like the head is smaller its made me feel really weird i ask him is he ok and is he tired he said hes fine this has never happened before something just feels off about it we havent had any promlems why would this happen ?