It looks like you might have a condition known as paraphimosis. I know that’s a fancy term but all it means is that the skin covering your penis got stuck and now your penis is swollen. Pulling the skin back too much can cause this. The water blister might mean there’s an infection. You need to go to a hospital. They can take care of things and make you feel better.

The possibility of your boyfriend's methamphe­tamine consumption leading to a failed urine­ drug test for you tomorrow is improbable. The like­lihood of drugs entering your system through his e­jaculation during intercourse is minuscule. 

Urinary incontinence, urinary tract infection overactive bladder or weak pelvic muscles are the condition which can causes leakage of urine. Consultation with a urologist or gynecologist is necessary to diagnose the basic cause and give proper treatment. In contrast, vaginal discharge is a normal natural function that can vary in color and texture throughout the menstrual cycle. A visit to a gynecologist would help the doctor identify any abnormal discharge and treat it.

Smoking and heavy drinking can increase the risk of a person peeing out blood we should always remember that. This can be a sign that something is not right with your kidneys, bladder or even liver. Therefore, it is wise to seek medical attention immediately. 

Frequent urinate often results from urinary tract infection, diabetes or overactive bladder among others. It is vital for you to see a urologist if this symptom is in existence for a long time. They can perform diagnostics and possible therapy depending on your particular case.