Ayumi's maturity

Ayumi leaves on a vacation with her family. While she's away, Ai finds out that the permanent antidote won't work on Conan since he used the temporary ones so much that he became immune which leads to Shinichi breaking up with Ran. When Ayumi comes back she changed for the better, she became more mature and less clingy to Conan. Will Conan fall in love again after Ran? Read to know