Stroke Warnings

I am very worried about him.

There can be many things. Consult a physician.

Be concerned enough to make him see a doctor. You do not want it down somewhere in herself and get hurt even more. This is not normal for people blackout.
Could she be pregnant?

and prohibition are not normal ever, this may be related to substances such as alcohol or drugs, but it may be a song from a brain disease, as she goes to the doctor

sounds like a form of epilepsy. breathing disorder making him ill. severe anemia.
What ever it is not good, you must convince her to go to the doctor for a checkup.
Remind her that if she was driving, holding a baby.walking with a knife in his hand. etc.
You do what you can and be a good friend for assistance / why I said what I did is that it is a current condition, and apparently it did has not been to a doctor you have no idea as to the cause.

I would say yes, but take it to a doctor if she leaves you you.Hey, I just noticed, when people say their "friend" Generally, they are talking about you themselves.Are your "friend".

You have good reason to be worried about it.

A change in level of consciousness a person says something is wrong in the brain.

There are many conditions that cause a person to "black out". Having a loss of consciousness can be fatal if it occurs when a person is taken on the stairs, swimming, etc. ...

Your friend should definitely be seen by a doctor if this is a common phenomenon.