Is it good that my crush got jealous?

Mutual crush; we’re stuck in this situation where it’s clear we both like each other but he’s not asking me out and I’m too shy to ask him out too :(

Today was my birthday, he left me some chocolate but nothing too personal or remotely risky.

This other guy who likes me gave me a book, some chocolate, and a cute note. When my crush found out about his gift, he tried to hide it but made an ironic comment out of jealousy.

What does this mean? Is this good and how should I go about it?
Is it good that my crush got jealous?
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