Relationships

I'm 7 years older than my boyfriend, is he ashamed or embarrassed of me?

I'm seeing a guy for 3 months in a distant relationship and I have a feeling that he is embarassed or ashamed because of me. I'm just guessing that it is because of my age. He is in his mid twenties and I'm 7 years older. (still I am a very attractive woman, sometimes still get ID'd, and it is not obvious at all, we seem to be in the same age group.) We spend the weekends together, usually at his place. He takes me out to dinners, trips, cinema etc and keeps me entertained during the weekends in any possible ways. During weekdays he calls me every day and wants to know everything about me, my life, my work, my friends etc. But he wanted to keep me in secret from his family.( but they found out somehow that he is seeing someone). Once we almost bumped into his parents at a restaurant. What he did was really shocking, he just started to drag me away from the entrance quickly, and almost run away, just to avoid meeting them. I found it extremely unrespectful and cowardly, and just started to think that he is ashamed because of me. He told me that he doesn't care about the age different but now I just can't belive it. (Or maybe he has an other reason to feel embarassed because of me) Since then, I feel that I am just being used for sex till someone better and younger comes along for him. I want to break up with him because of this. Is it fair? Or am I jus too judgemental? Shall I give him more time or just leave it and walk away?
I'm 7 years older than my boyfriend, is he ashamed or embarrassed of me?
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