VIDEO : Kris Jenner Delighted By Son Rob's Healthy, Happy New Lifestyle and Romance

Kris Jenner 's famous family may have had their reservations concerning Rob Kardashian 's budding romance with Blac Chyna in the past, but ultimately, she just wants her son to be happy and healthy. A source tells E! News that the reality family's matriarch is not focusing any negative energy on Rob's current relationship, and instead, "is just happy that Rob is taking care of himself and working out." According to E! News, there's been a definite improvement in Rob's health over the last few months since he and Blac Chyna began dating. In addition to looking physically slimmer, Kardashian seems to have built back his confidence. He's been spotted out and about several times--after spending the last few years out of the spotlight.