Dealing with someone who responds to your anxiety and depression by saying "just get over it" or "suck it up & deal with it" can be hurtful and invalidating. It's important to remember that these feelings are valid and real, and you deserve understanding and support. Here's an appropriate response you can consider:
"I understand that you might not fully grasp what I'm going through, but anxiety and depression are not something I can simply 'get over' or 'suck up.' They are legitimate mental health conditions that require empathy, understanding, and professional support. Just like any other illness, I need compassion and care from those around me. If you're having difficulty understanding, I'd appreciate it if you could try to be supportive or encourage me to seek help. Your understanding means a lot to me."
By responding this way, you are gently expressing your feelings and educating the person about the seriousness of anxiety and depression. It's essential to advocate for your mental health and seek support from people who are understanding and compassionate. If the person continues to be dismissive, it may be beneficial to seek support from friends, family, or a mental health professional who can provide the empathy and assistance you need. Remember, it's okay to prioritize your well-being and surround yourself with people who genuinely care about you.