Celtic boss Ronny Deila says that having a happy camp that can laugh and enjoy life is key to creating a winning team.
Deila succeeded Neil Lennon as Celtic manager last summer after the Northern Irishman resigned from his post, feeling he had taken the Bhoys as far as possible.
The Norwegian tactician is speeding towards a hugely successful debut season in charge of Celtic, having already led the Hoops to the League Cup.
Celtic are also through to the semi-final of the Scottish Cup, which they play this weekend against Inverness, while they also sit on top of the Premiership.
A historic treble is on the cards and spirits are high in the Celtic camp, something Deila feels is crucial and is delighted with.
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"I think it has been a very good atmosphere here for a long, long time. It's getting better and better", he told a press conference.
"People loosen up more when they know each other better and we are having a lot of fun here. That's one of the most important things to create things and get better, to laugh a lot and enjoy life.
"And I think that's something the players are doing and the togetherness is very good."
However, Deila insists Celtic can focus when needed and are a professional outfit with sky high dedication to their craft.
"But also be focused. When we train we train and we know when the moments to be very dedicated are."
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