if you are self concious how will you behave mature? what i mean is.. be yourself just have to be wise. confidence motivation will come from within. consult with me or any psychologist and lets talk :)

Make a small goals and fullfill it . Be calm and polite Stop thinking that you having low confidence level or other negative things Do yoga and meditation.

Here are a few links that could be helpful for you : https://fit.practo.com/#!/content/41615 https://fit.practo.com/#!/content/41735 https://fit.practo.com/#!/content/41639 https://fit.practo.com/#!/content/41640 https://fit.practo.com/#!/content/41641 https://fit.practo.com/#!/content/41645

The behavior of yours could be from your childhood.. Maybe you seek a lot of approval and validation from others, and you might have developed a dependency in taking the decisions of your life.. Until You are willing to take up the responsibility of your life and the consequences of your actions you will find it difficult to handle this issue. I suggest you to consult a therapist to overcome this issue.. You can also reach me by using the link given below :- https://prac.to/hema-sampath-psychologist-dir

Focus on your breath, become aware of it all the time. Because it is very minute thing that can be observed. When you yourself train to aware about  these minute things, then your mind and body will  naturally become acquainted to behave and act accordingly. good luck