When you think about it English is such a hard language to learn if it’s not your mother tongue, like how do you know when to use a or an to describe something well done to non native speakers :-)
Easy If the word before is a vowel, you use an.
If the word after a/an begins with a vowel you use an. If it begins with a consentant you use a.
masculinity is so funny to me bc men deprive themselves of the best things in life in order to achieve it like ….fuzzy socks, fun fruity pink drinks, spa days, lifetime movies, expressing positive feelings in a healthy way, being a warm genuine person