Crossword puzzle clue "one who may give you an iv"

You may give it when you are running late for a meeting, informally

"You thought I'd give it to you, didn't you?"

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

Give someone a book that they'll "give back to you when they're done reading," as I did with "The Wind-Up Bird Chronicle" over three years ago

Sinatra song with the lyric "All the love I have to give, I want to give to you"

One who may give you his heart?

One who may give you an IV

One who may give you a shot in the arm