testosterone fluctuations

Most TRT regimens seem to use test C and test E and keep levels relatively stable. Most using these don't experience the natural diurnal fluctuations that would occur naturally (rising in morning, lowering in afternoon, and rising again at night / early am). Has anyone felt better after adding...

"We demonstrate a clear seasonal fluctuation of both LH and testosterone in a large sample of adult human males. As expected, testosterone appears directly related to LH, but the annual fluctuation of these two hormones is not synchronous. LH shows a bi-annual fluctuation, with two peaks reached...