After aging 18 , it's general practices among boys,enen girls also, method of discharging may differed significantly more or less the same,for lower Sexual heat or needs,though it is very common concept of boy and girl friends,but it's rare physical intercourse between them due to restrictions,both are very much excited for intercourse,pussy and penis may be weted during oral sex,boys prefer to have sex with her partner by others organs,except using drilling fluid to her holes ,anus is safe for Pulling and pushing,but it is more natural to use the pussy for fischarging