How about a phone call

 A man & his wife agreed that any time they wanted to make love they would call it a ''PHONE CALL''

One day the husband send his son to tell his mother that he wanted a ''phone call'..... Mom replied tell daddy she doesn't have network...

Husband: Tell your mother if there is no network I will go to public phone...

Mother: Tell your dad if he dares to go 2 public phone i will open call centre at home!