Nope, it won't be fine for me for many reasons: first, it's not their family celebration. I only invited that person. They won't have a right to invite anybody else on that. Second, I invite that person because I want to bond with them. So, how would I do that if they will bring someone I barely know? Third, my kindness is not extended to anyone else near them but to them alone.

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Story time! I have this friend whom I considered one of my bestfriends. When she talked about being sad because she cannot continue subscribing to Netflix and being saddened because she cannot watch her favorite series I offer my account. So I gave her my logins. On Netflix, each time your logins are being logged on a different device, it will send an email notification to the owner. I actually don't mind since I'm aware that it's a family account. My sister used to log it out and does not save the logins on her PC. But the next time I met with that friend I'm talking about, she blatantly shared that she shared my logins with her few folks. I was disappointed. That very moment, I changed my password. When she asked me about it, I told her that my kindness is only for her, and it is not extended to her other family or friends. Sure, I can be nice to them but not to the point that I will also give them access to my subscriptions or just give "bestfriend perks" because they are close to mine. No, I'm not that person. I refused to be abused.