If you and your partner are on the same page — like The Real Housewives of Potomac's Monique Samuels and her husband — and can find a little humor in you going on their phone doing something small, then Celia Schweyer, dating expert at DatingScout.com, says it's fair game.
“So, for example, your partner took a (really!) terrible photo of you and refuses to delete it just to fool with you? Well if it's just that, and the two of you share a good sense of humor, he or she might not get angry when you secretly take their phone just to delete this photo,” says Schweyer. “However, you should tell them afterwards and not make this a huge secret. Fooling with a partner's trust isn't funny.” [...]