u all so~ dao dun wan teach de. come on i teach u.
first u take off ur pants and underwear. next u make think of
sexual stuff, doing so allows u to steam ur didi and thus it become
hard and stiff and long and thick. slowly u stroke it and stroke it
while thinking of sexual stuff. until bth liao then u will be abt
to shoot automactically.
warning: the feeling is very nice. 
best method is follow this. \/