My knees are aching   My body's sore   I can't believe it   We're still down on the floor yeah      My knees are aching   My body's sore   I can't believe it   We're still down on the floor yeah      My knees are aching   My body's sore   I can't believe it   We're still coming back      My knees are aching   My body's sore   I can't believe it   I'm still down on the floor yeah      My knees are aching   My body's sore   I can't believe it   I'm coming back for more      My knees are aching   My body's sore   I can't believe it   I'm still down on the floor yeah      My knees are aching   My body's sore   I can't believe it   We're still coming back for more