"There was so much in the press about my relationship with Jose Mourinho," De Bruyne, 27, told the Players Tribune.
"But the truth is that I only ever spoke to him twice. The plan was always for me to go on loan for a bit."
De Bruyne said: "Mourinho texted me, 'You are staying. I want you to be part of this team'.
"So I thought, OK, great. I'm in his plans."
'I'd rather you sell me' - on leaving Chelsea
De Bruyne started two of the first four league games of the 2013-14 season, but soon fell out of favour with Mourinho and was dropped to the bench.
"Jose called me into his office in December, and it was probably the second big life-changing moment for me. He had some papers in front of him, and he said, 'One assist. Zero goals. Ten recoveries'," De Bruyne said.
"It took me a minute to understand what he was doing. Then he started reading the stats of the other attacking forwards - Willian, Oscar, Mata, Schürrle. And it's like - five goals, 10 assists, whatever.
"Jose was just kind of waiting for me to say something, and finally I said, 'But… some of these guys have played 15, 20 games. I've only played three. So it's going to be different, no?'
"It was so strange. I was completely honest. I said, 'I feel like the club doesn't really want me here. I want to play football. I'd rather you sell me.'"
The following month, De Bruyne joined Wolfsburg for £18m.