grammar check: The journey may have been hard and crazy yet the laughter we shared during the tough moments became cherished memories.

Your sentence is mostly clear and grammatically correct, but it could be improved for clarity and flow. Here’s a revised version: "The journey may have been hard and crazy, yet the laughter we shared during those tough moments became cherished memories." Adding a comma before “yet” helps to separate the two independent clauses, and changing "the tough moments" to "those tough moments" enhances clarity.