"There was a bigger squad (for the UK white-ball tour) so it was a bit disappointing, but I mean I've been dropped and in and out so many times that I've just learned to deal with it, much better than I would've say 10 years ago," Khawaja told cricket.com.au.
"I was a lot more disappointed when I first got left out of Indian tour, because at that time I felt like I very much belonged in that team, I was averaging 50 in one-day cricket for that period of time, I was in the top three or four run-scorers for the world in that year, so I didn't really understand it.
"It was a really frustrating decision, and I was really angry for a period of that time."
Khawaja, who has so far scored 2887 runs and 1554 runs in 44 Tests and 40 ODIs respectively, said a frank conversation with chief coach Langer calmed his mind.
"Fortunately I talked to JL (Langer) about three or four weeks after that happened and got it all out in the open. It was a really good chat to have, and after that I've been really good; I've focused again on just worrying about my cricket.
"You want to ask selectors if there's anything specific that's sticking out (regarding non-selection) but in this case that's not it; in this case, I'm a top-order batsman and you've got Steve Smith, Dave Warner and the captain, Aaron Finch, ahead of me.
"I was hoping to be a spare batsman in that top order which I thought I might've been this (UK tour), but I wasn't, and that's OK."
Khawaja said he is close to making a comeback and will look to earn his place back with a good performance in the upcoming season.
"There's Big Bash, plenty of red-ball cricket, and I still feel like there's a lot left for me on the horizon, and I'm making sure I'm focusing on that stuff rather than worrying about not being picked because I know how quickly things can change in cricket.
"In four-day and Test match cricket I've had really good conversations with JL, too, and at the end of the day, I feel like I'm really close there.
"If I score runs, I put my hand up and give myself the best chance to bat in Test cricket anywhere in that top six. That's all I can do."
Khawaja, who has scored 1380 runs in 42 matches for Sydney Thunder in Big Bash League, said he would like to explore a career in the various T20 leagues once he retires from international cricket.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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