Why you love your unhinged best friend and persecuting a precious pooch

We all want friends who are funny, smart, loyal and kind, but we also want them to have our back no matter what. Jaimie Krems and Keelah Williams are friendship scientists — they're also BFFs — who have researched the science behind why you love your vicious, maybe a little unhinged best friend. Their research won an Ignobel prize, so what other qualities do we want in a bestie? When new neighbours threaten the harmony of a quiet cul-de-sac by persecuting a precious pooch, it's time to ask aunty.