Hi there,
A detailed medical and psychiatric history is always needed for every patient. In addition, detailed mental status examination is also recommended for every patient to make a diagnosis and the management of the case accordingly.
Next Steps
Adolescents go through various stages of development.They do get attracted towards opposite sex.Sometimes to their own siblings but being a taboo,societal pressures let them understand what is right and what is wrong.Guilt is a natural response.
Health Tips
What you have described is forbidden in our society but even “ that thought “ can make a person feel guilty.
Remember that was the past. Done is done. Try to evade those thoughts from your mind.
Be positive in your thoughts.
Go for Yoga .
Try to be busy and avoid close contacts.
Do Take the help of a mental health if those thoughts continue to disturb your mind.