In a YouGov poll conducted between July 25-29, 59 percent of Republicans surveyed said they would prefer a president under the age of 75. Trump celebrated his 78th birthday in June. Forty percent said they had no preference, and just two percent said they would prefer a president over the age of 75.
It doesn’t seem like a real consequence. Also, what if he breaks it? Will there be a consequence for that? I don’t see it happening.