What are some signs you are just an ego boost for your crush?

It is a mutual crush. He flirts with yme and shows interest but I am wondering if it is just for validation because he doesn’t take it further. Tries to hold my hand for eg but won’t confess. By his nervousness it seems he puts me on a pedestal for my looks. Sometimes he displays curiosity to know what I do on weekends. But I have seen him confidently complimenting other women and he wants me to witness it. He is not confident with me at all.

What are some signs you are just an ego boost for your crush?
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