My old manager at HubSpot still pops up in my nightmares, although less than before.
I quit HubSpot without another offer as my mental health was at an all time low, and no I was not new to Saas sales, AE life, or upset about the lack of work/life balance.
My best advice is to read the HubSpot tell all - Disrupted - before joining this company in sales. I have never been more gaslit in my entire career, months after quitting I realized "complaints" people were making about me to my manager were in fact very likely fake and used as a mechanism for fear. I was told for months I would get fired, put on performance plan, etc and when I asked for the plan in writing, I was told my metrics were actually not poor enough to be put on plan. It was all fear mongering and gaslighting.
Hubspot will come across as "woke", but it couldn't be further from the truth. I was told as a woman I was too aggressive (it's sales), and people were uncomfortable with my energy and my participation in group sales training as I was without tenure and not at 100% attainment. The day I decided to quit HubSpot, my manager said something to me I can't put in writing, but it was so grossly inappropriate as it related to male private areas. HubSpot is sexist, if not also racist (there are a few token people of color on the sales floor). HubSpot will also pretend to care about mental health and unplugging - the only time I was told to take time off was to "consider medical leave if I wasn't going to hit quota."
If you're reading this and thinking about quitting HubSpot, do it. Most of the people I started with quit within a year (once a fat chunk of their stock vested), and we've all come out the other side and commiserate often on how brainwashed we were to think HubSpot was the golden goose of tech, when nothing could be further from the truth.