Golfer Danny Willett may have become the first Briton to win the US Masters in two decades but it was his brother who proved the unlikely star of the show.
Peter Willett, from Birmingham, lived every minute from the sidelines as his 28-year-old brother swung into the history books at the Augusta National Golf Club in Georgia.
Live tweeting from the account @P_J_Willett, his running commentary began to trend on Twitter in the UK.
Posting a picture as his brother moved to four under par and to the top of the leaderboard, he tweeted: "Unbelievable, Jeff. I'm not keeping it together. COOOOOMEEEEE ONNNNNN X."
While Danny, from Sheffield, continued to hold his nerve, Peter became aware of what a win would mean for him.
"If the boy does what he should, I will be able to say 'I've shared a bath with a Masters winners - brilliant," he said.
And while young golfers the world over dream of donning the prestigious winners' Green Jacket, the teacher warned Danny: "Green makes you look fat, refuse the jacket."
Posting a picture of Taittinger champagne and referring to defending champion Jordan Spieth, he said: "Just downed in one. Work will understand. Behave yourself, Spieth."
He was unable to contain his excitement as the tournament neared its end around midnight on Sunday, tweeting: "2 birdies from slowpoke and I'll eat my pants.
"There's a fat woman legging it around my house singing. I'm cracking open the passion fruit liqueur. AHHHHHHHHHHH.
"Speechless. I once punched that kid in the head for hurting my pet rat. Now look."
Returning to reality, Peter appeared to be looking forward to basking in his new-found limelight with the children at his school.
"When I'm too tired to teach a good lesson tomorrow, and some kid spits at me, I'm just gonna smile and say 'I won Twitter' *drops mic," he said.
Another member of the Willett family, Sarah Willett, was also living the drama on Twitter.
Beforehand, she said: "No pressure this weekend @Danny_Willett but we have put our house and life savings on a good finish from you."
And as Danny took the lead she said: "Don't ever put us through this again Dan, I've aged 20 years #IWantTheFatLadyToSing."
Comedian Dara O Briain was among those who enjoyed Peter's tweets, saying: "New Masters champion @DannyWillet's brother @P_J_Willett has been tweeting up a storm tonight. Worth reading his timeline."
Regarding the row over the rat, the brothers' father Steve told the BBC: "Well Peter, of all of them, Peter is the one who thinks he's got a sense of humour. I apologise ... for the language he used.
"Peter and Danny shared a bedroom. Peter insisted on keeping two pet rats, Danny did not like that very much so did everything in his power to make sure the rats vacated the premises.
"They used to get into fights all the time about the rats."