Life When should you have sex with someone new? Consider ‘box theory’ before deciding. May 23, 2023May 23, 2023Hannah Yasharoff, USA TODAYComments Off on When should you have sex with someone new? Consider ‘box theory’ before deciding. Worried about sleeping with someone new too soon, or waiting too long? Influencer Tinx's "box theory" explains when to have sex with a new partner.