How easy is it to make a woman’s day?

I congratulated a woman who just achieved a milestone in her life by leaving a voicemail. I have done this for her birthday, her last day of school, and now graduation (all voicemails rather than texts and she replied to all). I got told that I made her day (it included this emoji “☺️”) and she thanked me for being so thoughtful and supportive. I should note I’m interested in her but I’m not going to force it. I’m wondering how easy it is to make a woman happy with what a man does.
How easy is it to make a woman’s day?
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