I thought Iftikhar and Kirsty were love's young dream, when did that come to an end? And surely if he is of an age to go out with Kirsty without causing gossip, he is waaaaaaayyyyy too young for Elizabeth?
Kirsty seems to be the obligatory "spare female" of Ambridge, there to listen to various characters give their side of the story, occasionally offering mild support and encouragement to show that the speaking character isn't just having a narratively useful monologue which allows everyone to catch up on events. She can also usefully have sex with men in between them finding true love with a more established character. She'll probably be wheeled out to service Tom again for a while - I really do think she deserves better storylines.
She probably sleeps on a bench until she's required to turn up and feed lines to one of the wet female characters or cop off with one of the male ones . I've just checked on the Archers website (first time, honest) and even the actor who plays her says: "I feel she's lost her way a bit." To compound how uninterested the writers are in her, the very first part of her biography has a massive uncorrected typo in it.
I really want Kirsty, Amy and Brenda to get a bachelorette pad together and just have a blast going through men like petrol through a sick donkey. Tom could be like 'oh noes, are Kirsty and Brenda sitting around cackling about my gourmet sausage?', Emma, Helen, Alice and Nick could be all wistful for their footloose and fancy free days. I want to see all the single ladies enjoying it, cos god knows it can be fun. But the archers always makes them a bit mopey and sad.