I don't think it has to do with age either.
I tear up all the time whilst looking at pictures.. or even just watching a show on TV.

Originally posted by K9soul
I tear up easily sometimes too, I did actually today when I saw that pic Kay posted of Zone the greyhound. I can't say why really, just it brought out such a strong emotion in me and tears come for me with strong emotion, whether happiness, sadness, anger, thankfulness. I
Try sitting there in person with his paw on your hand and his sweet Grey nose sticking out while he licks your other hand. Oh you don't even understand how badly I wish we could have brought him home.