To start with the helping or getting better with managing your anxiety or phobias, there's a plan with steps to follow. The first part is to take charge of your plan. This means that, you make the plan because YOU are the only one who can help yourself. No one is to blame for your anxiety, not you, not your mom, dad, sister, friend, NO ONE. Even if you are the only one who can help yourself, that doesn't mean that you are alone in this journey. Far from it really, there's multi. people that are on this same road right now.
The next step is to promise to keep moving forward. Taking control of your anxiety/life is a long and difficult road that requires 120% effort, time, and the constant promise to keep going even if it's just for three months. The progress is real when you look back months after. No matter how difficult it may get you need to promise yourself to keep going. It gets hard to do all the time but if you promise to keep going you'll get to where you want or better.
The next step is to take small risks. Take chances to tell others if they are stressing you, talk about things with someone you trust. Face your fears, anything. Little by little if you take small risks, you'll get better. If you take many small risks and do them all at once, the many small ones turn into one huge risk, and can set you back in your progress. Always take it slowly, not too fast. Go at a speed you need, because you're the only one who knows what your limits are.
The last step is to admit the benefits of fear and worry and give them back. This is one that a lot of people with anxiety don't realize that they do. It's where you use your anxiety to get out of doing things. The best way to overcome your anxiety, give your benefits back, even if it's just for a while because that's the only way you'll be able to grow and overcome this.