The 42-year-old pop diva is said to be so much in love that she is allowing him to push away the people she cares about the most, reported Showbizspy.
"Jennifer gives 110 percent when she's this smitten. She's letting Casper call all the shots and that's starting to upset some of her friends," a source said.
The source added that Lopez is so crazy about her 25-year-old boyfriend that she even chose him to choreograph her new tour, leading her close friend and tour manager Fabian Herrera to quit.
"There was no way Fabian was taking orders from a kid. He thinks it's a bad move on J Lo's part and doesn't want to be involved. Casper insisted that Jennifer's staff call him Mr Smart and demanded that her assistant Gilly get him drinks," the source added.
