Detriment Is an Essential Element of Founding a Claim in Proprietary

Detriment is an essential element of founding a claim in proprietary estoppel, in that it not simply enough to demonstrate reliance on a representation or assurance of the other owner. Which of the following may not be a form of detrimental reliance that is recognised by the courts?

A) Moving in with the legal owner, and having a child with the same.
B) Working on the property, without receiving adequate remuneration.
C) Living with the legal owner, having given up the rights to a protected tenancy agreement.
D) Carrying out substantial improvements to the family home, which add to the financial value.