Unfortunately, these well-meaning friends and family cannot understand why the person-in-recovery reacts so negatively to their genuine efforts to help them "get over it." These sorts of techniques may be useful for coping with ordinary anxiety, but are not effective once anxiety has reached a pathological level.
Helps show that it can be hard for most of us to understand what the other people are going through when it comes to anxiety, so we should leave it up to the professionals to treat and help the issue. Research a little more on what can maybe help acute cases of anxiety, which more people deal with!