Compliment her to show her your true feelings.
Try to compliment her about something other than her looks or her body to show her that you like her for her. You can compliment her any time: right after sex, over text, or just when you two are hanging out. Say something like: “You have such a great sense of humor
Why do girls distance themselves after intimacy?
She may not have liked it fully, or just be feeling awkward around you. The best thing you can do is communicate with her