How can I help my other half with psychosis

I was hoping someone could give me tips on how to help my other half with his psychosis he dose take medication for it but sometimes he has episodes where he talks and it doesn't really make sense to me but dose with him and sometimes he full of energy dancing to music full blast it comes out of no where and he laughts sometimes about whatever it is he thinking can anyone give me any tips on how I can help iam at a loss when he opens up to me I try so hard to understand where he coming from and understand why he feels whatever it is he feeling but its hard any tips on how I can help him i feel wrong because sometimes I don't know what to say....