In no particular order.

• Sunny blue skies with wispy white clouds
• Meeting friends and the beloved (separate occasions or not)
• Green tea frappucino from Starbucks
• Good food with good company
• Walking to anywhere without being in a hurry
• Discovering good music
• Seeing a good band "live"
• Reading books
• Cooking for my love
• Sleeping in on weekend (more so if it's rainy)