Fresh cut hay in May?
Spring rainshowers?
A creek with active marine life?
Honeysuckle?
Tar asphalt?
Cedar shingles?
A country diner?
Hospital cleaners?
The smell of the laundry detergent the first person you kissed used?
The smell of puppies before they've opened their eyes?
Paint?
Elmer's glue?
The dampness of fall's first cool air?