This will differ based on your particular relationship to the person. For example, if the person does not know you, you may need to appropriately introduce yourself.
The primary symptoms of balance problems are dizziness and the feeling that the room is spinning. It may be difficult to walk without falling. Other symptoms include: 1  blurred vision. 2  mental confusion or disorientation. 3  nausea and vomiting. 4  feelings of depression, fear, or anxiety. 5  tiredness. 6  difficulty concentrating. 7  diarrhea.
I've been sick with ME/CFS for about a year now, and one of my most dramatic symptoms is my diminished ability to walk. About one month into my illness (when I still didn't know what I had, could still walk and hadn't experienced cognitive problems yet), I was in a museum and suddenly couldn't continue walking.