Unless there was an agreement for you to repay this at some stage or in the event that you fell out, then your understanding is correct, a gift is a gift. If he decided to take court action against you to recover this, that court action is likely to fail.
However don’t be surprised if he becomes inventive and decides to say that it was a loan and was meant to be repaid at some stage.
The court will then decide whether it was a loan which was intended to create legal relations or whether it was an informal family arrangement not intended to be enforced by the courts.
Can I clarify anything for you?
Please rate the service positive. It’s an important part of the process by which experts get paid.
We can still exchange emails.