When someone says "I was thinking about you" or "This made me think of you," they're signaling attraction, even if they don't realize it. Most people miss this cue entirely, but it's a direct sign you've been on their mind.
Chapters
It is very common in conversation to say, "Hey, I was thinking about you," or, "I was thinking about you the other day when I saw..." or, "This made me think of you." This has become so common and casual that we kind of stop, or we kind of forget to stop and recognize it for what it is. She was just acknowledging that she's been thinking about you, that you've been on her mind. So when you hear things like that, Don't just overlook it. Recognize it for what it is. She's probably not even recognizing it herself. Again, it's just something we say, "Hey, I was thinking about you the other day." But in reality, that's revealing the fact that you've been on her mind.