i am 24 years old, I have been on a relationship with a person for the past 6 years!! Rite now the relationship got broke up, During the period of this 6 years .. We had gone for a physical relationship (ie Unprotected) Bt then the ultimate insertion has not taken place!! I had few drops of bleeding dat time!! It has been around 6 months since we had. The person is a chain smoker and alcoholic too!! Till date my periods are regular, i dont have any health related problems!! Bt since the relationship got broke up... my parents are on a serious look out fr a new alliance!! My queries: 1. Am i susceptible to STD? 2. Will i have anymore future problems due to this?? 3. Wen i get married will i get into any other trouble? 4. What are the preventive measures that i have to look out for nw?? 5. While going fr a blood donation or blood test will there be any indication?? or am I liable for blood donation??