The web search results mention future elections (e.g., 2027) and general candidate activity, but none of the provided evidence confirms that 'at least two potential candidates have decided to open up about their love lives' in the context of an imminent election cycle. The evidence is too general to confirm this specific claim.

The evidence provided does not contain any information regarding Gabriel Attal publishing a book, nor does it mention Jordan Bardella being photographed with his girlfriend in Corsica by Paris Match. The evidence for this claim is entirely absent from the gathered results.

The web search result from The Guardian mentions that Attal's book discusses his father's death and his sisters. However, the specific details regarding 'father's addictions,' 'divorced mother's struggles,' and 'sisters battling antisemitism or wage discrimination' are only present in the context of the web search result and are not corroborated by other sources.

One web search result mentions that Bardella has 'snapped up 300,000 copies of the two books written so far by,' implying he has written two books. This is the only source suggesting this specific detail.

The evidence confirms Jordan Bardella's age and his role as leader of the National Rally. However, the specific condition—that he is expected to run *if* Marine Le Pen is barred due to an alleged fake jobs scandal in the European Parliament—is only presented in the context of the web search results and lacks corroboration from other sources.