Machine Gun Kelly doesn’t want to ever let go of Megan Fox. A few weeks after the actress confirmed they called off their engagement, an insider claimed the pair is “still together as a couple and trying to figure things out.” “Megan and MGK’s relationship is up and down,” the insider continued to spill to a news outlet. “Right now, they are taking some space, but things could easily change.” “MGK is very in love with Megan, so he does his best to keep her happy and lets her take the lead,” they added. In the same podcast interview that the mother-of-three, 37, revealed they were no longer mak…