Martin O’Neill refused to close the door on extending his stay as Celtic manager having added yet another trophy to his collection.The 74-year-old steered the Hoops to Scottish Cup glory with a 3-1 win over second-tier outfit Dunfermline Athletic at Hampden on Saturday.O’Neill had been out of work for six years before returning to CelticGettyCeltic’s win marked their 14th domestic double having won the Scottish Premiership on May 16, a result which sparked a controversial pitch invasion.As for O’Neill, it’s the third time he tasted double delight having previously done so in 2000/01 and 2003/04, although the earlier campaign ended with a treble having also won the Scottish League Cup.The win over Dunfermline marks the end of O’Neill’s time with Celtic having been appointed on an interim basis through to the end of the 2025/26 season following Wilfried Nancy’s sacking in January – his second spell at the club this campaign.S-Mart choice?Despite his age, the Northern Irishman insists he has ‘a passion for the game’ and is still learning, even if some rival team’s tactics left him scratching his head.“If the season was to start tomorrow, I couldn’t do it,” O’Neill told BBC Scotland.“But the season doesn’t start tomorrow. The Scottish season does start quickly though, and I’m getting old.“What I have, is a passion for the game. I don’t think that will ever leave me, even in my final days. That’s always been me. I have a desire to win.“I’ve done the learning in the last three or four months. Some tactics I saw befuddled me, but I’m learning. It’s good at my age.”O’Neill added: “The game has changed a wee bit since I first managed and some of the things we coach so I’ve had to learn.“I’ve been doing a lot of learning in the last three or four months.O’Neill has now won eight trophies with CelticGetty“You’re on the periphery, then suddenly you’re thrown into the middle of it and you get a perverse enjoyment from it when you win things.”O’Neill won’t have to look very far for supportive voices should he choose to return to Celtic Park on a full-time basis.Hoops stars voice support for O’NeillSpeaking after the Scottish Cup win, Canadian defender Alistair Johnson insists O’Neill ‘knows how much we appreciate him’ and could see the Northern Irishman coming back in time for next term.“Martin O’Neill easily could’ve stayed home but he wanted to come back and help the club out,” Johnson told BBC Scotland.“We’re so thankful he did because he made a world of difference when he came back.“I think that is completely up to him [if he wants to stay]. Everyone here knows how much we appreciate him. He has earned the right to go home and take a couple of weeks to think about it.Celtic have now won seven of the last 10 Scottish Cup finalsGetty“He’s got the energy for it, I can see him coming back for sure.”Celtic skipper Callum McGregor echoed a similar sentiment, although he also expects O’Neill to hang around even in a non-coaching capacity.“Martin O’Neill has been fantastic since he came back in,” McGregor said.“He’s been backed up by amazing staff members. I’m sure he’ll be involved in some capacity.“The team have been fantastic, he drove them on and he can enjoy his summer as well.”Meanwhile, goalkeeper Viljami Sinisalo echoed similar thoughts on O’Neill, as he remarked: “He’s not bad is he?O’Neill also took Celtic to the League Cup final earlier this season in his first spell as interim, which Nancy would go on to loseGetty“What he’s done to the whole group in terms of instilling that confidence and belief is a job like no other.“We all love him. We’ve been really glad to have him. Let’s see what happens, I can’t say much more than that.”