Looking on the internet deeply has found these results:

you cannot be vain is the most popular phrase on the web.

you cannot be someone who is vain 10 results on the web	you cannot be vain 123 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Feb 22, 2015 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein. Oct 14, 2014 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein. Nov 14, 2014 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein. Sep 24, 2013 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein.

you cannot be someone who is vain

10 results on the web

you cannot be vain

123 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Feb 22, 2015 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein.
Oct 14, 2014 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein.
Nov 14, 2014 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein.
Sep 24, 2013 ... If you have drawn blood or started IV's for any length of time; one knows that you cannot be vain when it comes to your patients vein.