I put in the average, about 12k a year. Yes, I knew that oil needs to changed every 1k miles or every 4 months. My hubby never lets me forget. He'll nags me to death if I didn't do it in time. I mean everytime he needs an oil change, which he has an alarm programmed on his phone as a reminder, he begins to nag me to have my oil changed. So, you see, my husband would never let me forget. Btw, Ken, those frozen roses look so beautiful. It reminded me of Beth Mitler's song, "The Rose."