"TIME'S ORPHAN" is correct! Apologies for absence on this turn... a lot has been going on.
Here are the clue explanations...
1. A bond is formed... Worf and Kirayoshi have a new bond in the form of 'gung, gung, gung'.
2. Home, but not home anymore... Adult Molly went back in time to her home, but when she got young Molly back to the future, that was no longer home because she was erased.
3. Determination... Worf, in a speech to Jadzia that my wife and I found hilarious, says in no uncertain terms he WILL get Kirayoshi to sleep.
4. Someone is a fan of giant broccoli... Older Molly really loves that tree. Trees look like giant broccoli.
5. Quite sturdy... Kirayoshi hurt himself, but Bashir and Dax point out he is fine.
6. Bad adjustment... Adult Molly is adjusting badly to DS9.
Your turn, JP.