Sam Allardyce has insisted there is 'plenty of football' left in him following his departure from Newcastle.
Allardyce exited St James' Park on Wednesday after a disappointing eight-month spell with the club.
He has previously hinted that he will not stay in the game for too much longer, but he insists he is not yet ready to retire.
Allardyce, who has already been linked with the Republic of Ireland job, has every intention of getting straight back into management and showing Newcastle they were wrong to let him go.
"I want to be a manager again, I'm addicted to it. I've not done my time anyway," Allardyce told The Sun.
"I said in the past I could pack in at around 55 but I'm only 53 and I might revise the timescale if the right offer comes along.
"Part of me says I should resist jumping back in too quickly but saying that, it depends what sort of club might want you.
"I thought I'd have a rest after leaving Bolton but Newcastle came in and you can't say, 'hang on, come back in six months' because the game doesn't work like that. When the opportunities arise you have to take them.
"There's been no edge taken off the belief I have in myself. There's no need to doubt my abilities.
"Things like this make you stronger and more determined to prove people wrong."
Allardyce accepts that he was under severe pressure throughout his time at Newcastle, but he does not believe he was to blame for their mediocre start to the season.
He explained: "When I do a job I'm fully committed and I know what works. I believe it would have worked at Newcastle.
"I don't feel scarred as I don't think it's my fault. I don't feel it's damaged me or the reputation I've built up as a manager over the last 16 years.
"I said it would take three to five years to build a club of this size up.
"I'll be back, although jobs are harder to come by for us English managers. We are going out of fashion in this country which makes life very difficult. And we're not in fashion at all abroad.
"There's plenty of football life left in me. When I retire from the game I want to do it on my terms - not someone else's."
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