?A. Before Jim went away to college, we'd fight sometimes, but there was no one I admired or wanted to impress more. I know it sounds pathetic, but somehow my life doesn't seem completely real without Jim here to share in it.
(I found this sentence in this link : https://books.google.co.uk/books?id=Id8eAAAAQBAJ&pg=PT68&lpg=PT68&dq=%22somehow+my+life+doesn%27t+seem+completely+real+without+Jim+here+to+share+in+it%22&source=bl&ots=Wjc15I_uC1&sig=ACfU3U2mFLp-hTp3mvj7CQzudQ9GHVr49w&hl=en&sa=X&ved=2ahUKEwjJyLmnj5HvAhXDPXAKHV5mDIkQ6AEwAnoECAQQAw#v=onepage&q=%22somehow%20my%20life%20doesn't%20seem%20completely%20real%20without%20Jim%20here%20to%20share%20in%20it%22&f=false )
Q1) In example A, does "here to share in it" describe "Jim" ?
Q2) Is this part "without Jim here to share in it" correct English?
?B. Before Jim went away to college, we'd fight sometimes, but there was no one I admired or wanted to impress more. I know it sounds pathetic, but somehow my life doesn't seem completely real without Jim to share in it.
Q3) Even without the word "here", is "without Jim to share in it" correct English?
Q4) As for "without Jim to share in it", does "to share in it" describe "Jim"?
I would say yes to these four questions, but I'm not 100% sure about my answers.
fire1 my life doesn't seem completely real [without Jim here to share in it]. = my life doesn't seem completely real [because Jim is not here to share in it]. = my life doesn't seem completely real [because Jim is not here so that he can share in it].
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fire1my life doesn't seem completely real [without Jim here to share in it].
= my life doesn't seem completely real [because Jim is not here to share in it].
= my life doesn't seem completely real [because Jim is not here so that he can share in it].
'without' introduces a small clause 'Jim here to share in it'. Such a clause can omit the verb,