The 22-year-old, who spent the latter half of last term on loan at the Dons, returned this summer as part of the deal that took Jonny Hayes to Celtic.
"They didn't want to sell me, they weren't interested in that, they wanted to put me back out on loan instead, which was positive to me," he said.
"It comes across that they still think I have a chance to break in there."
Christie signed a four-year deal with Celtic when he joined them from Inverness Caley Thistle in the summer of 2015.
He spent the first half of the 2015-16 season on loan at the Highlanders and, following his deal with the Dons last season, is looking forward to spending the whole of the 2017-18 campaign at Pittodrie.
And he says he feels no pressure to prove anything to Celtic manager Brendan Rodgers.
"It's more about proving to myself," added Christie, who hit seven goals in 15 games for the Dons last season. "I enjoyed playing and scoring last season. I wouldn't say I have anything to prove but I need to keep my consistency high.
"It's a very big season for me, the onus is on me to step up and continue some good form. If I keep my consistency up over the full season, I'll hopefully be in a better place come next season."
Aberdeen have finished as league runners-up to Celtic for three years running but the club have lost key players in Hayes, Niall McGinn and Ash Taylor.
Manager Derek McInnes chose to remain at Pittodrie after holding talks with Sunderland and he has been busy reshaping his squad with several new signings and the promise of more to come.
"It will be difficult," added Christie. "Everyone thinks Aberdeen might fall away but the mood in the camp, the positivity, we know that we have more than enough strength to replicate last season certainly."
The Dons kick off their campaign at home to Siroki Brijeg in Europa League qualifying next Thursday.
Rangers and St Johnstone lost their first round ties but Christie believes Aberdeen can get the better of their Bosnian opponents over two legs.
"We want to make a big impact in Europe as well," he said.
"Everybody in Scotland wants every Scottish team go as far as they can so it is unfortunate to see the others go out."

Investors shrugged off data that showed core consumer prices fell 0.1% in August from a year ago - the first annual drop since April 2013.
The decline in prices, which includes oil products but not fresh food, had been expected by economists.
Japan's benchmark Nikkei index ended up 1.8% at 17,880.51.
Shares in Sharp fell as much as 10% after the Nikkei business daily said it was likely to report a half-year loss of 30bn yen ($250m; Â£163m) as a result of weak sales of LCD panels for smartphones.
On the currency markets, the US dollar rose in Asian trade after the head of US Federal Reserve Janet Yellen said the central bank was still on track to raise interest rates later this year.
The dollar was up to 120.32 yen from around 120.00 yen before her speech.
In China, investors continued to digest the mixed news coming out of the economy this week.
A preliminary reading of China's factory activity fell to the weakest level since 2009, but home prices rose for the fourth month, indicating growth.
The Shanghai Composite closed down 1.6% at 3,092.35, while Hong Kong's Hang Seng index rose 0.4%  to 21,186.32.
In Australia, the S&P/ASX 200 index closed down 0.6% at 5,042.10.
South Korean shares fell despite a central bank survey showing consumer sentiment had hit a four-month high in September.
The benchmark Kospi finished down 0.2% at 1,942.85.
Ryan Christie is confident his long-term future lies with Celtic, despite a second loan move to Aberdeen.
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Japanese shares finished higher on Friday, recovering some of the losses in the previous session when the market lost nearly 3%.