You have a job, you are an adult, what prevents you from living on your own?
Your BF and his family helped you when you were in a bind, that's honorable and you should forever be grateful, however they do not get to dictate your future.
Take some time to think, make your financial calculations and if you can afford your freedom, then go for it.
You can either not care about gifts anymore or just dump him. Those are your 2 options here.
Get the video and look at the metadata. Will have date/time, camera that took it, maybe location.
You have a job, you are an adult, what prevents you from living on your own?
Your BF and his family helped you when you were in a bind, that's honorable and you should forever be grateful, however they do not get to dictate your future.
Take some time to think, make your financial calculations and if you can afford your freedom, then go for it.