Youthful affection (4,4)
I believe the answer is:
calf love
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">youthful affection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for calf love that I've seen before include "Adolescent infatuation" , "Immature amorous attachment" , "thing youngster may go through" , "Immature affection" , "youthful passion" .)