you know that nagging sense of anxiety you can’t quite put a finger on, or that bad mood that keeps getting worse because you can’t identify the cause (you’ve even checked the calendar: it’s not PMS and none of the planets are in retrograde)? It might not have been yours to begin with.

Just as we pass on germs to the people closest (in proximity and otherwise) to us, we also share and contract one another’s feelings in a phenomenon known as emotional contagion. Instagram’s favourite illustrator Julie Houts (@) recently posted a visual representation of this: a hand waving (labelled “Me”) from underneath a pile of dirt (labelled “Your bullshit”) and a smiley-face balloon floating away (labelled “My good day”). Psychologist, researcher and author Dr Lea Waters