Country singer Morgan Wallen was recently forced to axe concerts in Tampa and Charlotte after falling ill — sparking fears for his health.

“Morgan sees Taylor Swift has played 120 shows on her current tour and hasn’t missed a one — and he marvels at that,” a friend exclusively tells Life & Style. “He hates that fans worry when shows get canceled.”

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The “Wasted on You” singer, 31, has promised to reschedule the three scrapped performances on his One Night at a Time tour, which was shaping up to be his biggest ever.

Morgan — who was arrested in April for allegedly tossing a chair off a rooftop bar in Nashville — had postponed 18 concerts last year after doctors diagnosed him with inflamed vocal cords.

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Now, the pal says the hitmaker is rethinking his strategy.

The insider explains, “In the future, he may only play one show a week on tour — even though it would cost him millions.”