Suggest 10 birthday gifts for a 40 years old man

1. Personalized whiskey glasses or decanter 2. A smartwatch or fitness tracker 3. A leather wallet or briefcase 4. Bluetooth headphones or portable speaker 5. A gourmet food or wine basket 6. A high-quality shaving kit or grooming set 7. A leather bound journal or planner 8. A cooking utensil or gadget set for the kitchen 9. A stylish watch or cufflink set 10. A book by his favorite author or a subscription to a book club