What you're feeling is sanity giving you a reality check.
The possibility of starting to hate your own startup isn't much considered, but as you found out definitely exist.
You might be heading towards a nice nervous breakdown. Definitely consider seriously making your load lighter, either by delegating your job, or quitting altogether.
No actually, if you read the announcement you'll find that Elm is keeping platform specific code in the Platform module, to not be locked into being a Javascript-only language forever.
So maybe it would take some time, months, years, but Elm could end up running on the BEAM.
2. start doing that talk at your local meetups, you'll figure out how to do talks well with time (also there is good advice online)
3. identify conferences you'd like to speak at, and answer their call for talks
4. keep doing all that, and at some point one of your submissions will be accepted
5. rehearse many times to be prepared, and do a good talk
6. more submissions will be accepted, and if you keep doing a few conferences a year, eventually you'll get invitations to speak at conferences