Boyfriend adding single female to Facebook, should I be worried ?

I have been seeing / dating a guy that I met on Facebook dating site since may 9th everything was going great but now the texting has changed and the talking and seeing each other has changed. He’s been adding other single female to Facebook !!! Should I be worried is he seeing other female? Should confront him about this?

Boyfriend adding single female to Facebook, should I be worried ?
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