Seeking support while under pressure

I returned to my clinical doctoral program (Psy.D.) after taking a leave for mental health reasons - I have PTSD partially from childhood. My mom was sick with anxiety over me taking leave. She is very high achieving and owns her own business, which has been very successful. The only thing she's cared about my whole life is her career and subsequently my career. When I re-entered my program she told me over and over again "failure is not an option." I know this mindset is unhealthy and that I need to ignore it but I'm struggling to remain compassionate with myself under the pressure. This week I'm facing a difficult conversation with my department and I just need internet strangers to remind me that it's not the end of the world if this doesn't work out.