Read the following context and choose the best option to answer the question.
Context: Understandably , their move took longer than expected , so our dinner plans were pushed back until 8:00 pm . I knew there was so way I could wait to eat until then , so Mal and I grabbed a snack and a cocktail at Charley 's on Newbury Street . I was in the mood for a good , strong cocktail , so I ordered a dirty vodka martini . ( It was after 5 o'clock ! )
Question: What may be the reason they mention that it was after 5 o'clock ?
Options: 
- That 's when it 's acceptable to drink .
 - That 's when they ate dessert .
 - That 's when they met the love of their life .
 - That 's when they got off of work .


That 's when it 's acceptable to drink .