Funny Jokes

The summer after college graduation, I was living at home, fishing in the daytime, spending nights with my friends...generally just hanging out. One afternoon my grandmother, who never went to college, stopped by.
Concerned with how I was spending my time, she asked about my future plans. I told her I was in no hurry to tie myself down to a career.
"Well," she replied, "you better start thinking about it. You'll be thirty before you know it."
"But I'm closer to twenty than to thirty," I protested. "I won't be thirty for eight more years."
"I see," she said, smiling. "And when will you be twenty again?"