history: My dog is getting old and is having trouble walking, it's tough to see. My dog is getting old and is having trouble walking_comma_ it's tough to see. Aw_comma_ that sucks. Everyone gets old eventually_comma_ how old is she/he?
current: He's 15, he's small though so I think he's handling it better than the bigger dogs.
next: That's good to hear, I hope he feels and gets better