Making Conversation

I struggle with conversation, what to say I'm never sure and after introductions I can't think of any more! A comment on the weather, 'it's cold for the time of year' or 'how's work going at the moment?' is all I can manage I fear. I'm not one for idle chatter, don't seem to have the knack, to engage in conversation with small talk I do lack. The thought of talking scares me nerves turn my mind to mush! I obviously need more practice but it's been easier just to hush!