Based on the context and the answer, generate a question. 

Context: I have a hard time going up to a stranger in a bar and introducing myself and asking who they work with . This was part of my problem way back in 2005 when I was fresh out of college and interning at the publishing company in New York and they would send me to parties to " meet and mingle . " There may be an increasing number of food posts from now on , as Zac and I started a diet at the beginning of the week after returning home from spending the weekend with my family in Washington .

Answer:

They suffer from social anxiety and have a tough time breaking the ice with others , so they keep quiet



Why does the speaker have a difficult time introducing themselves to strangers at the bar ?