STOP!
HANDS OFF!
Any precum on the tip of that cock yet? If there is take it on your finger and coat your lips with it. Then lick the lips clean - repeat until its all gone!
And don't complain - I know you love it!
Now lick your index finger get it nice and wet and rub that special spot on the tip of your cock. Rub it fast and keep licking that finger to make it nice and wet.
Stare at my arse in its panties - stare at my stockings - rub faster worship me with your efforts. You need to keep doing this for two minutes - show me that you can please me.
Then ...