Question: If you want to know in advance what turns me off People with nothing original to say
Please fix the punctuation.
Fixed: [If you want to know in advance what turns me off: People with nothing original to say.]

Question: Participation in joint projects
Please fix the punctuation.
Fixed: [Participation in joint projects.]

Question: In my opinion a relatively young age for a deep specialized collector of classic Danish stamps I have not yet managed to find out when he began acquiring his vast collection perhaps he had inherited some stamps for a start
Please fix the punctuation.
Fixed: [In my opinion, a relatively young age for a deep specialized collector of classic Danish stamps. I have not yet managed to find out when he began acquiring his vast collection - perhaps he had inherited some stamps for a start?]

Question: Description Make Delicious Cookies game Follow the guide to make up a delicious cookies
Please fix the punctuation.
Fixed:
[Description: Make Delicious Cookies game Follow the guide to make up a delicious cookies!]