In an interview, he said that all he wanted was a break and if the Harry Potter franchise had continued, things could've gone "downhill" for him.
Rupert Grint says 'Harry Potter' role became 'suffocating': 'I wanted a break
Rupert Grint Said Filming The 'Harry Potter' Movies For A Decade Was Suffocating - TODAY
Rupert Grint: Making 'Harry Potter' Felt 'Suffocating' at Times
Rupert Grint: “I'd love to see Harry Potter be adapted into a TV show.
grint: Sorry, Roonil Wazlib fans! Actor Rupert Grint says playing Ron Weasley was 'suffocating' - The Economic Times
Rupert Grint Says Filming 'Harry Potter' Was Suffocating & Questioned Continuing To Act After Saga Ended
Sold At Auction: Rupert Grint Signed Harry Potter Photo, 52% OFF
Rupert Grint says filming Harry Potter was 'suffocating
Rupert Grint found 'Harry Potter' role 'quite suffocating