There are so many potential characters that could be the main one beside Amir in his love story. If it's a story set in a school, it could be his study partner. In a story set in a small town, it might be the new neighbor. Without more information, we can't be certain.
Yes, he has been in movies that could be considered love stories. For example, in some of his Bollywood films, there are elements of love and romance woven into the plot. His characters often experience love in different forms, whether it's a passionate love or a more subdued and long - lasting kind of love.
The names John Doe and Jane Doe are typically used as generic names for unidentified individuals. Without further details, it's difficult to tell the real story. It could be a story about two ordinary people in a small town, or perhaps they are used in a legal or mystery - related context where their true identities are being concealed for some reason.
Well, usually when we hear 'John Doe', it's more of a fictional or anonymous reference. But there might be rare cases where it refers to an actual person if it's in a very specific and local context that we don't know about.