it's not something that important. They're just some labels people use to easily explain themselves to others. If you can't for now, it's okay, tell them you're not sure about it. Be yourself, do what makes you feel good and comfortable. You will find out eventually reply
Agender is when you feel like you don't fit within any gender norms, identity etc. Genderfluid is when your gender keeps changing with time and it could be male, female, non-binary or agender.
Both are very similar and confusing with very little difference. You need to analyse if you've ever felt like your gender kept changing over time or if you...... reply
