At the time, you only saw him as a friend.
There had never been any consideration of him as anything else other than someone you connected with platonically.
This is why you friendzoned him when he asked you out on a date.
Since then, your feelings for him have changed.
Although you are scared about telling your crush he is cute, you don’t actually have to tell him that he is cute directly.
What actually works better is to convey the message to him that he is cute over a sustained period of time.
It is far more effective to give him compliments over time than directly telling him that he is cute.
For example, if he is wearing a really nice shirt that fits him well, you can compliment his shirt, telling him that it looks great.
There have been several moments where you have stared at him in awe at your workplace.
These moments have been reciprocated with him staring back at you.
At several points in time, you thought that he was about to make a move on you.
He didn’t.