Set a timer and stick to it. If I just turn on the tv for my kids I get lost in the "extra" time it creates for me and by the time I realize it it's been an hour or more. I'll set it for 15 mins. That seems to please them enough.
hopelessly in love with my US Marine and three little men 12, 7.5 and 4 years<--what! When did that happen?