A hypocritical girl is always unpopular. or An insincere girl is always unwelcomed. The "insincere" is exchangable with "hypocritical". It is the same as "unpopular" and "unwelcomed".
to patronize or brush off someone is to say something insincere just to get him/her off your back. ago refers to a...
...method was inappropriate and it didn't meant that you were insincere to her, but I'll also be angry or sad if my girlfriend didn...