- Is the word "fuck" is the most used word in USA ?
The "most used" I don't know ,but used a lot for sure.
- What do you think about my website domain name (cumplace.com)
Not too bad. Short and easy to remember.
- Do you know an advertising company which provide adult advert videos, spots. For example, on Youtube you gotta wait a moment to see your video (preroll) and I want to integrate a Youtube look like advert system but with adult adverts
You might want to look into the traffic brokers, aka exoclick, eroadvertising, juicyads etc...
- Do you think I have any chance to have my dick in her hass one day ? I'm talking about Mia Malkova.
No, you don't.
- Have you ever been in Paris ?
Many times

Je suis de là-bas.
Also, you might want to promote the Sponsors you are using the content from on your site. example here: hot blonde naughty schoolgirl - Cumplace you have a 23 minutes clip but no banner or link pointing to to NScash. Not cool.