How can one overcome nervousness, lack of self-confidence, fear of failure, and sins while abroad, when preparing to travel to complete studies?

The feeling of distress and nervousness is caused by emptiness that should be filled with what benefits one in this life and the hereafter. True happiness is achieved through faith, obedience, and good character. Be courageous, trust in Allah, and embark on endeavors that bring good, such as travel and study, for a strong believer is better and more beloved to Allah. Be keen to associate with good people and attend gatherings of knowledge, and avoid the company of transgressors and evil gatherings. If you are truthful with Allah, He will facilitate for you to benefit and remain steadfast upon the truth.