[junior_cannibal]

At the rate Mark is going, he might end up losing all of them.
Previously when Jasmine wasn't sure if she wanted to be exclusive with him, so let him have all the other women concurrently.
What prompted her to want to spend the weekend with him, subconsciously, it's because she wanted others to know Mark is hers.
Whether Nat can let go or not, has no bearing on Mark. If he's serious about Jasmine, it won't be that hard to leave Nat alone.
Anyway, it's just a all mixed up and twisted relationship Mark is in.