Why they cares so much about that?

Theses 2 girls always ask me about my grades everytime after we make a exam in class, the Last exam that we had i failed badly and they cared really much that they gave their notebooks for studying and make better next time, and now everytime that we have a exam they ask me for my grades does it means anything, does they both likes me if they cares like that i mean i kinda like them both so

Why they cares so much about that?
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