"It was from one day to another - and I think we had six people leaving," he said in his post-match press conference. "You get no people there and you try to fill the gaps and do a lot of jobs yourself.
"I learned a lot about myself and tried to organise things, to get it done. It's been a big honour but as well it's been a challenge to try to sort those things out.
"I must then say that Per Mertesacker is our academy manager and he's been our academy manager plus being my assistant. It's not been easy for him because he's been going to kids' Christmas parties and then back to me, here and there! I must say a big, big thank you to him.
"I spoke to [Mikel] a little bit yesterday, a little bit today. The club has said they want me to stay. Of course I'm going to have a chat with him tomorrow."