Learning more words

So lately my son has been doing more things well trying to do more things his self not even wanting me to help any more.He is setting at the table trying to feed his self more by his self anytime I try to help he want let me.He is also trying to to hold his bowls and cups by his self more.He is learning how to say hi jump also learning certain letters .Now we are still in the process of trying to train him with the bathroom looking into head start daycare for him so he interact with other kids cause hes so use to being under me so were trying to get him potty trained so we can start looking into that for him also that way it want be to hard when he gets in pre k kindergarten.