Is it possible to love someone too much?

So I’m seeing a girl and like we can hang out all day over night but no matter how long we spend I miss her like really bad even immediately after it’s like I’m slightly depressed anytime we aren’t together I think about her literally every waking moment the relationship is good and I know she loves be too I’ve never felt this way about anybody does that mean it’s real love? I thought I loved people before but it never like this. Overall I’m much happier for having her but sometimes it really affects me
Is it possible to love someone too much?
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