What does it mean when a girl sends you these emojis in one text?

This girl I've been friends with for 2 years and recently we have started texting every day, going to dinner and the movies. We have been closer then we ever have been. In this text she sent me an emoji smiley face with smiley eyes, a red love heart and xx; all of these were used in one text. She also said I'm a great guy and she also said she is scared of losing me. She also has said she feels safe with me.
What does it mean when a girl sends you these emojis in one text?
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