Talk about a situation where you had to wait. You should say: What you waited for Why you had to wait What you did while waiting and explain how you felt after waiting.

I'd like to talk about a situation that happened during my university days. It was submission time, and as most engineering students know, this is a particularly stressful period. It's often referred to as an 'irritating thing' because all the professors seem to act like celebrities, making it difficult to get their signatures on our [...]