Since his teenage years, and an early growth spurt, Jeremiah had always been used to being a moderately big guy, just over 6'2". While not freakishly tall, he could reasonably assume that he would be among the bigger guys in most situations.
Jeremiah carried on working till the sun went down.
Soon, evening began to descend.
"Ah well." Jeremiah mused. "Maybe I'll try the fountain again tomorrow."
He went back to his farmhouse for dinner, and then, he went to bed, to get up early for the next day.
He took off his farm clothes, then changed into his pyjamas, got into bed and fell asleep.
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The sun rose over the dairy farm the next day.
Jeremiah awoke with a yawn, and scratched his chest.
After his breakfast and shower, He got dressed, and hzardly noticed his clothes looked a slight bit tighter than usual.
Of course, Jeremiah didn't know was that the Fountain of Size had worked after all; HE WAS GROWING, inch by inch, day by day; almost the opposite of Scott Carey, 'The Incredible Shrinking Man'.
and, of course, He had failed to take into account that the fountain's water had no effect on clothing.
His clothes remained the same size, but Jeremiah hardly felt anything different about his bod.