Alan (Bob Pugh) is always the life and soul of the party. In his mid-forties, he's not quite one of the lads anymore but still sees life as a giggle. He has a wonderfully happy marriage to Sally (Lorriane Ashbourne), who although she's the much quieter, more sensible half of the partnership, watches all his shenanigans with fond amusement. They have two teenage sons, the oldest of whom Chris (Ciaran Griffiths) is about to go off to university, a cause of enormous pride for them both.

For Sally's fortieth, Alan throws a big do, inviting all the lads from Mackintosh. It's a night to remember - everyone drinking, dancing, having a wail of a time. You can tell that Sally would rather have had a quiet evening with Alan, that the party's more for him than her, but she enjoys herself none the less. When the evening's in full swing, Alan makes a little speech and tells Sally about her present - in front of everyone, he announces he's going to have a vasectomy so she doesn't have to take the pi