To be fair, she could be in the process of doing some grand and secretive romantic gesture, like buying you that Jaguar you always wanted. If not then she's free to days as many guys as she desires. You would even try to tangle yourself in lies, so as to separate both the dates from meeting each other. Dating by definition is just that. What if my girlfriend is on a dating site? The doorway into the soul. If you two are on different pages, you have some decisions to make.
Why Double Dating Is Dangerous?