Younger dogs can go for lengthy walks and play games like fetch. (socialteesnyc.org)
I've learned to live in wise simplicity, To look into the heavens and to pray, And wear away this vain anxiety With lengthy walks before the end of day. (firstthings.com)
Many of us would love a dog, but are intimidated by the idea of lengthy walks day and night, all year round, in all weathers. (mypetneedsthat.com)