I have a friend (another girl) who is very sensitive and may enter into depression. How can I reduce her emotional reliance on me?

This girl doesn’t have many friends and messages me “Good morning!”, “Good night!” and “What are you doing today?” everyday. She also says “She misses me!” and “She hasn’t heard from me for really long!” when I replies to her every week! I feel that this is causing a toll on my mental wellbeing and wish to address this issue.

I have a friend (another girl) who is very sensitive and may enter into depression. How can I reduce her emotional reliance on me?
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