She seems to laugh often at the most curious times.
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Have an ex who did that when:
1) She was about to tell a huge lie
or
2) She had no clue about a subject but spewed cow manure as a response.
Never told her about it, used it to see through and catch her in many lies, ended the relationship.
Maybe KamHo has the same affliction.
Smart move.
Congrats!