I haven’t overcame it or even think it’s a thing at this point to overcome sadly, but as I got older (24) I kinda can extend the breaks between my cycles. I would say that reading aloud to myself slowly helps, singing helps a bunch for me and talking slightly slower and lowering my voice relaxes my throat. I do think it’s more of a mental block for me personally, so Im still working around it but i hope you find your methods too soon