Check Box

Hi
I love your form, but i am having an issue with the check boxes.
When the form is submitted the checkboxes are left blank.
example below.

Do you exercise regularly?
If Yes, how often and what type of exercise? this is a test from paul to see if the form is working correctly
Do you feel your current diet is healthy?
If No, what do you think or feel your current diet is lacking? this is a test from paul to see if the form is working correctly
Do you have any digestive issues?
If Yes, what kind and how often? this is a test from paul to see if the form is working correctly
Do you have a bowel movement every day?