https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(24)00134-8/fulltext
I wouldn't recommend it, but it is noteworthy in that the man did not suffer any adverse effects. Nor did he suffer any T cell exhaustion, which is a theoretical concern from repeated antigen exposure.
He had a higher number of antibodies and T cells than the control group, but similar antibody affinity. And no substantial changes to the adaptive immune response. He has no sign of a previous coronavirus infection.
It comports with the other research on the coronavirus vaccines. And should comfort people regarding the coronavirus boosters.
This sort of thing is really unnecessary. Just follow the vaccination schedules. They are designed with all of this in mind. If you are immunocompromised, you may have to tailor vaccination accordingly, but for everyone else this is overkill and can be counterproductive.