Played couple hours. Great time.
"I should probably stop and do something else, just 15 more minutes to finish this thing."
...One hour later...
"OK, this time really just 15 minutes, it is getting late."
...One hour later...
"Help, how do I stop playing this game?"

Played couple hours. Great time. "I should probably stop and do something else, just 15 more minutes to finish this thing." ...One hour later... "OK, this time really just 15 minutes, it is getting late." ...One hour later... "Help, how do I stop playing this game?"