I am trying to understand which is the biggest challenge in learning an L2 by yourself, and have created this form you can use to give me your personal experience!
https://docs.google.com/forms/d/1I6x0kjo83ZC3tSxCdr_fqsllvF94PoCrmUgv0s4z2ck/edit
Thank you in advance for your time and please contact me for any suggestions!