Her not actively reciproting by explicitely saying that she likes spending time with you might simply mean that she's shy. If she actually likes kissing you, she likely likes you. It doesn't mean that shes committed to having a relationship with you but that things are going in the right direction.
Notes for future OT posters:
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2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
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