need help!!

[Duke16]

So there is this girl I did not see for a long time(I do really like her though).
Last week I saw her again and I know for sure I still like her.

Thing is, about 7 years ago she told me she liked me and then I sad I did not feel the same way (I was like 10 and did not realize that I liked her I learned that when we stopped seeing each other). but I have no idea how to tell her.
So plz I need help with this.