I would say to check your heart rate (sometimes treadmills have a handle grip thing for your heart rate)
All the points is needed for reliable information but i think the better answer of all is qno.2 which is have good communication and refusal skills.
Thank you..
If this is a true or false question, then true.
The answer to your question is True.
The physical appearance of someone's genitals can indicate that he/she has an STD as most STD's have physical side effects.
The features that we find beautiful are actually features that show fertility. for example, larger breasts and wider hips are good for child birth and care. Evolutionarily we are attracted to these features because subconsciously we know that these "beautiful" people will be best at producing and taking care of our children. Therefore, we will more likely keep the human race at the best it can be