Should I reach out?

my long distance boyfriend broke up with me 3 days ago because we could see each other as much as needed be. (due to how expensive) but i randomly just got a check today that can cover a 4 month stay in his city.

should i tell him the good news and the plan that o have or keep the money for myself & leave it alone since he already left me & sees other way out?
Should I reach out?
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