"You have to grow up quickly - it's about becoming a man more than anything," he told Arsenal.com. "You have to be a lot stronger [mentally] and the intensity has to be maintained.
"I was living on my own, I had never done that before. I was cooking for myself - the lot. Although I did take my washing back to my mum a few times!
"It was good for me to get out of my comfort zone and away from my friends. It wasn't too far away but at Watford we had maybe two games a week so I couldn't go out and see them.
"I think it was a very good spell for me. I got to see how the Championship works and how different it is being in a first-team to being a reserve player. It made me feel like a senior player, it was about making that step. I had to eat right, sleep right, all the things that senior pros have to do.
"I had to adapt quickly and grow up quickly. Training with the first-team players everyday makes you think 'this is what I need to do'."