It's a question about a person whom I have not heard about for several years. In February I had a short correspondence with her, and after that everything ceased again. (Emailing with her was surpising since she had always phoned me, it was our usual form of communication.)

15.1.5 > 63 - first humility, then a resolute action?

Thank you in advance for your shares.

15.1 - it is a worthy and noble undertaking to renew your friendship. Your motives are sincere.
15.5 Be humble, but if necessary, you could take the initiative to contact her again or find another way to reach out to her (e.g. through a neighbor, associate, or mutual friend). Both of you will be enriched through this relationship

63-- expect only small results right now and pay attention to the details.