Hold up- so if Facebook puts any clause in their ToS, I could be sued by them for breaching it? I agreed to create an account there, but I didn’t read or unders

Hold up- so if Facebook puts any clause in their ToS, I could be sued by them for breaching it? I agreed to create an account there, but I didn’t read or understand the TOS. Does deleting my account help? Or can they say in their tos that it’s perpetual? And oops I already agreed to that)l