Has he lost trust in me ?

im worried as im close friends with a man i work with and he used to trust me a lot but lately he hasnt-is it something to worry about for example he met a girl online and told me she was english. he asked me to send an email from his account and i found out she was filipino and he had sent her money and got scammed. he denied it. then i found out he was getting payday loans-he denied this also now he told me another girl he met is coming over this weekend but ive found out hes going to ireland to see her. whats happened has he lost trust in me ?