Chelsea manager Jose Mourinho says it 'hurts' to leave Juan Mata out of side and does not want player to leave "I try to do my job forgetting that I am a soft heart and pretending that I am a hard heart," Mourinho said. With decisions I have to make, many times it hurts me, many times it hurts him. But the best way to do my job is to think that the team is more important than any player. When I have to make decisions, I always try to be a cold one, icy, analysing the situation and trying to make the best decision for the team. But yes, it hurts me. "The kid is a good kid," Mourinho said. He works hard, and of course it is not an easy situation not to be playing every time. And if he does very well for us - not for him, but for us, which is the most important thing - I love it. I keep saying that I want him to stay. Today he trained in a fantastic way. Mourinho said the club were yet to receive a bid for Mata. But what if he were to request a transfer? "I would say: "Go to Stamford Bridge and speak with the board." And I call the board to say: "Don't let him go." " One player who appears to be on the verge of leaving Stamford Bridge is Kevin de Bruyne. The 22-year-old Belgian winger was signed for around £7 million two years ago, but has failed to claim a regular first-team place. With Wolfsburg and one other club believed to have made inquiries, he now wants to leave. Mourinho said he could, at the right price. "We know that Kevin didn't adapt very well to the difficult life a Chelsea player has," Mourinho said. People like Willian and Oscar and Mata, they have a beautiful life at Chelsea, for which they have to pay a big price. They have to give a lot, work a lot, and accept this competitiveness. This was the first time he came to a club with big competition and fantastic players, and it was a bit difficult to adapt to this situation. So if people think they can get our good players on sale, the sales finished in London yesterday.