Anxiety can be sudden and intense. You may have a panic attack that feels like a heart attack, where your heart is racing, sweating, and feeling sick. In general, when the scary thing is over, you feel a lot better nervous. Fear can go on and it can get worse. In astrology, of course, several zodiac signs are most often nervous, like the following
Because of Virgo's perfection, they get very nervous. They want everything to be perfect so they put a lot of pressure on themselves and are always worried that they will screw it up. Sometimes when they feel that things are not going the way they want, they will say that it will never be perfect.
Pisces are very sensitive and have a tendency to get nervous when they are in a situation they cannot control. Their natural tendency is to help people, especially when they ask for it, even if that person has previously injured fish.
Trusting someone they don't know makes Pisces very nervous. They don't want to be hurt, but it is practically impossible not to help someone in need. Pisces have many natural fears to try to overcome and feeling scared, and doing it makes them most nervous.
Cancer doesn't want to fail, and when something has the potential to make them fail they get nervous. Cancer prefers the specific. They can become very suspicious of people so new people and new circumstances can make them nervous.
They have a lot of real and imagined fears that make them nervous and anxious. When a Cancer has to spend time outside of his home, it is a great source of nervousness for him.