Hi Tanveer - Welcome to Pherotalk. 
Now, you have chosen to open a right can o’worms with your first post! 
Try this thread:
That over, how about telling us a bit more about yourself and how you may be interested in using pheros. That way you earn your GC and we get something to offer better advice on. This thread explains more:
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934