English slang

Hi! I am doing a project in English and I need the help of native speakers of any English speaking country. Please take my survey.
1. How old are you?"
(i) 13-17
(ii) 18-25
(iii) 26-32
(iv) 33-40
(v) 41-48
(vi) 49-56
(vii) 57 and above

2. What's your gender?
(I) male
(ii) women

3. Do you use slang expressions?
(i) Yes
(ii) no

4. If so, how often?
(i) always
(ii) frequently
(iii) rarely

5. What are the reasons for using slang words in everyday conversation?

i) to say something in a simple way
ii) to show his anger
iii) to confuse other people
iv) have fun and laugh
v) to be "different", to be new
(vi) to enrich the language.
vii) ________________________________ _________(please write your own reason)

6. If you use any slang expressions, please write them in the provided place: ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________
7. What country are you from?
_________________________