Exercise is often presented as punishment for eating or as a shortcut to weight loss. Neither idea makes training particularly appealing.
A better approach is to ask a different question: What do you want your body to be able to do?
Strength training can help you become stronger and maintain muscle. Walking can increase daily activity without requiring a complicated program. Cardio can improve fitness and endurance. None of these needs to become an obsession.
The best training plan is one you can keep doing. If a workout requires an hour of travel, expensive equipment, and unlimited motivation, it may look impressive on paper but fail in real life.
Start with movements and activities you can repeat. Lift weights if you enjoy lifting. Walk if you enjoy walking. Play a sport. Hike. Ride a bike. Mix several forms of activity.
Fitness should support the life you're building, not consume it. You don't need to train like a professional athlete to become healthier.
Think long term. Get stronger. Move more. Build capacity. Then keep doing it after the excitement of starting has disappeared.
Consistency may not look dramatic from one day to the next, but over months and years, it can completely change what your body is capable of.