“When a relationship is supposed to be based on honesty and truth, Why do people run when faced with asdfadsf ”

When a relationship is supposed to be based on honesty and truth, Why do people run when faced with it?nAfter less than three weeks I knew he was the one. When I hinted at it, he said good night, gave me a kiss, and on our way we went. I got a text rejection the next day. Why run from the truth?