Hi,
You can not open up with your friends. It may be because you are not comfortable, not able to make trust, lack of confidence, social anxiety, and low self-esteem. If you want to open up with them, then try to make eye contact and exchange smiles while talking. If you want to learn more techniques by which you can easily adapt in a new friend circle, then consult online.
Next Steps
consult online
Health Tips
consult for further discussion