Overthinking?

Starting to feel my boyfriend doesn’t love me no more he’s never cheated but he’s spoke to other girls (this was last year) I forgave but now I feel like something could be going on between him and work colleagues? He mainly talks to the women at work and they like all his posts and he likes their photos aswell 🙄 am I overthinking all this or? When he first started he was searching up the women who work there she’s stunning for her age if I’m honest he used to search her up for her photos and it just makes me so insecure knowing he likes girls with such better bodies (its always been a struggle with me to put weight on I don’t have big boobs or butt) but those girls do 🙄