Every Muslim living in a non Muslim majority country has experienced this. The moments when everyone around you is eating but you are fasting e.g in the school cafeteria, during work lunch breaks.

The angels pray for a person who is fasting. Some of these times are during suhoor time. The angels pray for the one who eats suhoor. 

The angels pray for forgiveness for those that are in the presence of those who are eating, while they are fasting. The angels pray for that person until the others have finished eating.