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Chances are very less since sperm on hand cannot get any female pregnant. 

You may be experiencing a condition called hypersexuality, where a person has more frequent sexual thoughts or behaviors than usual. This can be caused by hormonal changes or psychological factors. It's important to know you're not alone, and help is available. Talking to a counselor or therapist can help you understand and manage these feelings. It's also important to focus on your studies and find healthy ways to cope with these desires.

Based on the information you have provided, the probability of pregnancy is almost zero since there was no intercourse and he came outside with ejaculation. Keep in mind that for the pregnancy to occur, the sperm should be in the vagina. If you're feeling nervous, you can always think about using protection in the future

Yes, it is possible for her to become pregnant even if you didn’t ejaculate inside her completely. There are still sperm in pre-cum that can result in pregnancy. If she has symptoms such as a missed period, feeling sick or throwing up a lot, or her breasts being sore and tender – then it is possible that she may be pregnant. To avoid this, use protection every time you have sex. 

Taking the blue­ pill may result in bleeding; be­ open with parents about this deve­lopment. One reason could be­ a side effect, prompting discontinuation and consulting anothe­r doctor. Notify adults if abnormal bleeding occurs; doing so promotes good he­alth.

The term "erection dysfunction" refers to the inability to achieve or maintain an erection. It can come on suddenly, taking only around 1 minute to happen. Common factors behind this condition are stress, anxiety, and specific health problems such as diabetes mellitus. To combat these issues, consider ways of reducing stress levels in your life like working out more frequently and consuming nutritious foods.

Frequent masturbation is a normal and healthy sexual behavior for many. It doesn't cause any significant harm or affect your future sex life. However excessive masturbation can lead to physical and emotional health problems, such as fatigue, anxiety, depression, and loss of interest in sexual activity. You can try to redirect your sexual energy into exercising or hobbies, and establish healthy routines and sleep patterns. 

You reache­d out about an erection issue. Fe­eling nervous is okay, as this problem is common. Lots of porn and masturbating may some­times cause temporary trouble­s getting hard. Try taking a break from those activitie­s. Focus instead on healthy habits, like e­xercising and eating nutritious foods. If the issue­ persists, talk to a doctor who can help find the right solution.