You are overthinking again J9 - you have no new information that changes things. Just because she didn't immediately fall in to your arms in a Disney swoon doesn't mean that she's not got feelings for you. From what you wrote she didn't seem put off or disturbed by your ILU.
Accept your feelings. Accept the fact that she may not have - as yet - gotten to that stage. She's a smart lady. Saying that is a huge step. She undoubtedly wants to be sure.
Continue on as you were.
On BD H52, W50 T27, M26 S21, D23 BD-9-Mar-16 D-15-Jan-18 Final-19-Apr-18 I am a storyteller. The story may do you no good. But a story is never for the listener. It is always for the one who tells