England captain Harry Kane says defeat in the European Championships final and summer speculation over his Tottenham future took its toll on him mentally.
The Three Lions were beaten by Italy on penalties at Wembley, while Kane was linked with a move to Manchester City.
Kane also defended brother and agent Charlie's role in the transfer saga.
"You go through the highs and lows of a major tournament, coming so close to a dream and it being taken away from you in such a quick moment," he said.
"Then it was my first summer of transfer speculation and having to deal with those situations.