Paul Cook insists he has no intention of deviating from his Pompey plan.
The Blues boss suffered his first League Two defeat since his arrival at Fratton Park in the midweek 2-1 loss to Exeter.
But Pompey have the ideal chance to get back on track with a home showdown against Yeovil today (3pm).
And Cook has not allowed one defeat to affect his thinking, with his side in third place going into the clash.
‘If the league ended tomorrow, we would be promoted so what do I want to rip up?,’ said the manager.
‘I don’t get ahead of myself when we are winning and I don’t get too low when we lose.
‘Out of the 92 clubs in the country, we were the 91st to lose our unbeaten record.
‘We’re trying our best to have a successful season.
‘Within that, we will have wins, draws and losses.
‘Where we get them and how we get them – I’m not a fortune teller.
‘I thought we were excellent at Bristol Rovers and I thought that would be a key to us going on and having a successful run.
‘Unfortunately, I was wrong but now we go again.
‘Over a period of 46 games we will have highs and lows like everyone else.’
With Pompey fans eager to climb out of the basement division at the third time of asking, Cook maintains that it’s impossible to rush the process.
He said: ‘It’s been well-documented that we are in League Two and we shouldn’t be here because of what’s gone on in recent years.
‘The reality of it is that we are a League Two club.
‘The quicker we get our heads around that and move forward, the better we will be.
‘We are not going to get out of this league in a week or a month.
‘Expectation is created from signings, managerial appointments, season-ticket sales and we have ticked all of those boxes.
‘We can’t tick a box where we fast forward 46 games.’
And while the Blues boss remains focused on his promotion task, he understands the short-term nature of the modern game.
‘It’s getting more apparent that football is now going from week to week,’ said Cook.
‘I think that’s shocking for the future of the game.
‘You’re not going to see longer-term plans come to fruition.
‘I’m not on about giving managers ridiculous time.
‘But you see managers get sacked after 10 games and I think that is nothing short of disastrous.
‘The most important result at a club is the first-team’s result at every single club.
‘But building foundations around that to support it longer term is huge.
‘I’d like to think that we are doing little bits of that as well as supporting the first team.
‘We’ve had so much change over two-and-a-half years that in my opinion – and this is not Paul Cook clamouring for time – we must have sustainable growth.’