I think it is their decison on who they want to date, so it is possible, but if they decide that they dont want to 日付 afan then I can see why. When あなた 日付 a ファン it can be hard as to decide wether they like あなた for you, または just because あなた are famous.
I know that they 発言しました that they would but honestly the whole time they are dating a ファン they will be asking does this girl like me because i am famous または because i am me... plus any girl that dates them are going to get it hard, being in the spotlight isnt as easy as it seems
Of course!! I personally am a ファン of Harry and on an interview he 発言しました that if あなた like someone あなた like someone. Its not something that あなた can really help. And besides it would be good publicity for them amongst the fans.