Why do air hostesses have a reputation of being high maintenance girls who sleep around while on layovers? Who spreads such rumours?

Some girls will always sleep around even if they are not air hostesses. Why this category of girls takes all the blame? Is it because these are very beautiful? What about being high maintenance? I suspect that plain girls might be behind such rumours so that guys do not chase air hostesses.

Why do air hostesses have a reputation of being high maintenance girls who sleep around while on layovers? Who spreads such rumours?
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