Yes, the cat from the vet visits story is still alive. The various stressors and triggers during vet visits can cause trauma and behavioral changes in cats, but with proper care and management, they can recover and return to their normal behavior6.
The Chinese restaurant's free meals lasted for a year before it closed down. The owner had given the family a voucher for free meals for life, but they were only able to enjoy it for a short period before the restaurant shut its doors.
The M&M lifetime supply actually included 52 bags of M&Ms, which lasted the winner about a year. The prize was won after finding a white M&M and sending it in, and the winner's family managed to make it through the lifetime supply in about a month, despite the eight siblings.