Though downbeat, the Swiss legend said he would not go into panic mode after being knocked out by unfancied Ukrainian Sergiy Stakhovsky in the second round on Wednesday.
The world number three said there was perhaps a sea change happening in tennis where lower-ranked players now had the belief to mix it with the sport's best, like himself, Novak Djokovic, Andy Murray and Rafael Nadal.
Federer's shock 6-7 (5/7), 7-6 (7/5), 7-5, 7-6 (7/5) loss to world number 116 Stakhovsky on his Centre Court stomping ground brought the curtain down on his run of 36 consecutive Grand Slam quarter-final appearances, which started at Wimbledon 2004.
"I still have plans to play for many more years to come," the seven-time Wimbledon winner said. "It's normal that after all of a sudden losing early after being in the quarters 36 times, people feel it's different.
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"I wish it wasn't going to end here. But I don't think that's something fans are going to mourn. It's a great number. I can be proud of it. But I'm moving on."
He said he would reflect on the run "when I'm retired -- and that's not right now."
"What do you do after something like this? What do you do? Do you do the 24-hour rule? You don't panic at this point, that's clear. Just go back to work and come back stronger.
"Somewhat simple; hard to do sometimes. But usually I do turnarounds pretty good. I'm looking forward to what's to come. I hope I can play a good end to the season.