Potential Tearjerker Video Of The Day: Seeing Puppy Acts As Guide Dog To His Blind Brother (VIDEO)

WATCH: Seeing Dog Acts As Guide To His Blind Brother

WARNING: PEOPLE OF A SENSITIVE/ANIMAL-LOVING NATURE ARE ADVISED TO PROCEED WITH CAUTION.

We're not just about LOLZ here at HuffPost UK Comedy. We're also about the heartwarming. And it doesn't get much more heartwarming than the tale of Jeffrey and Jermaine, here - eight-month-old strays who are also brothers and who currently reside at Philadelphia’s Operation Ava animal shelter.

Because Jeffrey is blind, his brother Jermaine has learned to be his 'seeing eye' dog - helping to feed and guide him. Watch their story above, and read more about them on the Operation Ava website.