Task: Question Answering
Input (English): Context: " Mmm ... finally ! It never tastes so good as when you have n't had any for a while ... though I 'd actually rather just have regular meals ... " Her voice slurred and she choked slightly on her next bite . " Oh , I ' m SO tired ... will it be safe to go to sleep ? What if someone notices the horses , or it starts pouring rain ?. 
Question: What is the reason things never taste as good as when you have n't had any ?
Output (English): Flavors stand out if they have been absent from you for a time .