article_snippet.sent: Celtic Celtic boss Ronny Deila admitted that the first six months in charge were mentally tough .
article_snippet.sent: I have to admit the first six months were tough mentally because you have to really learn a lot of new things and get settled,’ his went on.
article_snippet.sent: get any time for reflection and you just get tired
article_snippet.sent: , so I was in a situation I had to manage.
article_snippet.sent: He was not alone in those difficult days, however.
article_snippet.sent: The first three weeks, trying to listen to what people were saying for five hours... when I got home, I was totally gone,’ his admitted.
article_snippet.sent: I was so tired because I was sitting there all the time thinking