A middle aged friend of mine has a problem I’ve never encountered before. He’s single again after splitting from his wife a while ago, and he gets incredibly nervous when meeting women on dates. So much so, he occasionally finds himself shivering and shaking badly. He says it’s like suddenly getting a big chill, and it can last for quite a few minutes which is not exactly attractive to ladies he hopes to impress. Any sensible thoughts, ideally how he can prevent these happening (other than not going on dates)?