Crossword puzzle clue "something not to give up"

Something not to give?

Something you might not give, with "a"

"Something's Gotta Give" singer who goes by her middle name, not first name (Margaret): 2 wds.

Something not to "give up"

Not give ___ (not care)

Not something that's not new to me?

Give here, give there

"Give me, give me a chance to ___ you" (line from Dave Clark Five's "Because")