>>3405642There are websites which inspect a picture for any and all possible meta data or exif data tags within pictures, perhaps a social-network reverse photo search which gives a link to the original image might lead you to the posted photo, perhaps you can hold down on the messaged image like one does in whatsapp to see when it was sent, delivered, and read.
Either way, how would you feel if you discover she wasn't cheating? You'll feel worse for mistrusting her than you will for breaking up without proof.
>>3405631Like this anon said, you want a positive feeling outcome from this. You can have any possible outcome, but can feel bitter or good about yourself in any of them depending on your maturity and how you handle it.
