Saw your on your matrimonial bed with your best friend...?

your husband sent you to his village to go look after his mom that is sick;at the same time he told u to pls spend 3 days.because of the love you have for him,you left immediately to visit your mother inlaw.u got there and found out that the woman is sound and healthy.and you aked her 'mama u are now strong,what was actually the cause of the sickness.and said she 'sick.........?i was never sick and who told u pple that i am sick.you pretended and said ur husband just had a feeling and sent u to come make sure she is doing fine.the next day ,u left back to ur husband.entering ur ur room,you saw ur fellow woman lying on ur bed with ur night wear.at another look,she is your best friend,i mean ur chief bride's made...now ur mother inlaw is never sick,and ur best friend sharing ur property with ,what do u do?