Damn ! I hate to hear that . I ' ve been seeing a lot of stuff happening in the Germantown area lately on rLouisville . I haven ' t lived in the Ville in awhile , but it seems to be spreading everywhere . <| sep |> Traininghaving 6 mma fightsObstacle is the way Ryan holidayDaily stoic Ryan holiday Stephen HanselmanMeditations Marcus Aurelius Antifragile nassim nicholas taleb <| sep |> You should try and make it so there is only one person in the image . These people can clearly see each other . <| sep |> I haven ' t used them , but I believe there are light intensity sensors , combined with a presence sensorhome state may get you what you want . I don ' t know how reliable the light sensors are , but I have to think what you want to do is possible . I haven ' t dove that deeply into the smartapps to see how that might work . Hopefully someone with more experience can help .