Mind if I continue your listings? 
25. The dog always will be happier than you are... and his brain can't even understand how a refrigerator door works.
26. Sometimes, life just gets in the way. Roll with it.
27. You think you have a good memory until you find that old combination lock.
28. You really don't feel old until your kid realizes you really aren't that strong, smart or important.
29. No, MY wife is always right.
30. The secret to a happy marriage is to be able to say, "uh huh" in a convincing tone.
31. Why is it my teenager can tell me exactly how much our carbon footprint is but still won't turn off a light in any room she has been in?
32. Another sign of age? When you get used to that limp you have first thing in the morning.
33. We used to discuss all of our problems with friends over a cigarette and a cup of coffee. Now our problems ARE cigarettes and coffee.
34. The pisser is that teenage acne never really goes away. It just moves to other less obvious but more painful and embarrassing places.
35. You really shouldn't fire the first person that refers to you as "the old man".