The alternative is that she will choose him over you because she will defend her choice through thick and thin if opposed.
Most of us have been there, gritting our teeth and praying for the day when SHE finally realises that he may be more work than she wants.
Something my Dad could have done was gotten me involved in some sport to keep my time occupied (or a hobby) and hey, if he knew any guys around my age who were ambitious, cool guys.
Sixteen-year-old Leah, a star soccer player, has led a perfect life.
The point is that your opposition and punishments are giving the whole situation a "star-crossed lovers" kind of vibe, and that will definitely delay any good looks she needs to take at him.
I agree that he needs to shape up and get a job, but as you say, that may not happen.
Her terrified parents, afraid they’re losing their daughter, pull the reins tighter, pushing when they ought to be pulling, and communication breaks down. Twelve-year-old Justine, caught between the parents she loves and the big sister she adores, finds herself in the fight of her life, trying desperately to pull her family together. A lovely young woman, she respects you – and herself – far too much to ever date a bad guy, never mind a boy you detest. If your daughter argues or cries, even though it breaks your heart, try to ignore her. If she cries or makes excuses or threatens to leave, ignore her.