1. Development of analytical thinking. This means that you need to learn to understand complex tasks and understand what steps need to be taken to solve them.
2. Development of creativity. This will help to find new, non-standard solutions for complex tasks. For this, you can use creative techniques such as brainstorming, associative thinking, etc.
3. Development of communication skills. This will help you understand how you can communicate with other people to achieve results. To do this, you can study the basics of communication, as well as learn to listen to others and express your thoughts clearly and clearly.
4. Development of strategic thinking. This means that you need to learn to think about the future and plan your actions in advance. For this, you can use strategic planning methods, such as the matrix of the Boston Consulting Group.
5. Development of time management skills. This will help you to allocate your time effectively and complete tasks within the set deadlines.
6. Development of stress management skills. Difficult tasks can cause stress, so it is important to learn how to cope with them. Various methods can be used for this, such as meditation, yoga, aromatherapy, etc.
7. Development of self-control skills. This means that you need to learn to control your emotions and actions in order to achieve the maximum result. Various methods can be used for this, such as self-regulation, positive thinking, etc.

You can develop your dexterity and ability to solve complex tasks with the help of constant practice and improving your skills. It is important not to be afraid of challenges and tasks, but on the contrary, to take them as an opportunity to develop and improve your abilities.