However, normal, when it comes to testosterone levels, is a very subjective term — it can range widely from person to person. (tctmed.com)
In looking at these criteria, you will see a lot of subjective terms. (dividendsdiversify.com)
It's my personal favorite, but «best» is a really subjective term and I'd never try to tell anyone that they're wrong about their own favorite. (retrovolve.com)