Nothing is working

I posted a week ago about my 5 month old biting it’s just getting worse. Yelling NO or OUCH doesn’t work. Redirecting him doesn’t work. Idk what to do at this point he’s hurting me.

I posted a week ago about my 5 month old biting it’s just getting worse. Yelling NO or OUCH doesn’t work. Redirecting him doesn’t work. Idk what to do at this point he’s hurting me.