Here are the top 10, all videos, ordered according to cumulative likes, shares and comments.

1. The transformation of Eric O’Grey. — SFGate.com

Mr. O’Grey’s life was a mess: He was depressed. He weighed 330 pounds. He hadn’t been on a date in 15 years.

At his nutritionist’s suggestion, he went to a shelter and got a dog, Peety, and everything changed. (Watch the video to see how.)

Reached by phone on Thursday, Mr. O’Grey, 57, said the attention to his story (the SFGate video got 34 million views) had been overwhelming.

Thousands of people contacted him. One of them was a high school sweetheart he hadn’t heard from in about 40 years. “And here is the grand finale to the entire thing,” Mr. O’Grey said.

They were married on Dec. 7.

Peety died. Mr. O’Grey keeps a framed print of his paw on his bedroom wall. He adopted another dog, a Labrador retriever mix named Jake. They run 40 miles a week together.