Is this creepy and worrying or sweet and endearing?

My boyfriend downloaded this app (we've been together 7 months, in two days, as of now). He wants to track my period so he can buy me candy and tampons when it's the time of the month. He also wants to read up on the articles we post and take the pills and read up on birth control and how to be able to pleasure me and whatnot. Is this sweet and endearing or creepy and worrying?

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