Why he was flirting with another girl in front of me?

Actually two days ago he saw me with another guy and he got jealous and today he started flirting with another girl in front of me and then he started flirting with another girl also and he used to flirt with me but today he stopped but he was staring at me when I went to meet another men I mean my friend and actually yesterday I ignored his message, is he feeling jealous or is he just a player , why he did that
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+1 y
He didn’t use to flirt with another girl especially in front of me because he knew my feelings towards him
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+1 y
Iam crying because I love him and yeah I confess I do stupid things in order to get him feeling jealous
Why he was flirting with another girl in front of me?
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