I'm going to lie to my boyfriend about my name
Why would you lie to your boyfriend?
Okay, do you remember the name of person who stole all that money in the Wells Fargo heist years ago? I was that person.
It is okay to want to keep some things to yourself but when it comes to your so, lying can be dangerous. They could be upset about the lies and it could damage your relationship.
Him learning the truth could be dangerous.
It is always better to tell the truth and let the chips fall where they may. Don't lie to him or you will definitely lose him when he eventually finds out.