During the month of Ramadan, Muslims refrain from eating and drinking during fasting hours ... but many abstain from more things than meets the eye.
Many Muslims tend to avoid flirting - and in some cases, men avoid women altogether - in an effort to avoid "sinning" during the holy month.
Naturally, many Muslim Twitter users have depicted the birth of "halal flirting" during Ramadan via posts on the micro-blogging platform. Here are some of the funniest: