How Christ brown feel about Rihanna and drake relationship

Drake has been spending time with his main squeeze  in Miami,according to a report, drake has since rented an impressive mansion in Malibu,California,
Where he spends Some quality time with the "work " song stress .on September 14, photos of  rihanna and drake was sported at Zuma beach ,although rihanna and drake aren't married,  rihanna and drake embarked on their latest dating, go-around earlier this year .they didn't go public with their romance
Until August and from there ,the alleged feelings of rihanna s ex-boyfriend, Chris Brown,

Brown said in his instagram, that their relationship is not a serious one.could this be jealousy??