Am I really okay?

Am I really okay?

[20M]
I know this might be stupid of me asking about myself on this sub but just curious what you guys would do if you were in my place or what do you think about me.
I am currently living alone in Kathmandu doing my Bachelor. I’ve always been introverted except around my very few friends in my class.
Recently I watched a podcast of a mental health expert where he said having 2 to 3 hours of time in a day for yourself is better for yourself, but if you are spending more time alone you should step outside.

In my context,the last time I interacted with any human was most probably 4/5 days before. I talk with my family twice or thrice a day. I don’t have connections with my relatives. All I care about is my mom, dad, my little brother and my girlfriend (yes it’s surprising that I’ve got a girlfriend). I don’t hate people, I just hate being social. I can’t interact with people. Even if I’m home, I never walk out. When I’m here, at Kathmandu, even if I’ve got holidays for a week I barely walk out of the room. Tarkari, pani sakiyo bhane I walk out in the evening, other than that I never walk out. I spend my entire time inside these 4 walls. Almost every night I sleep at around 2/3 am.
Lately, I’ve been feeling more anxious than before. I’ve been crying in the middle of the night, don’t know the exact reason, suffocation, severe headache, dizziness, weakness, shivering , these things have been normal.
I might or might not reply to every comments out here, but I’ll definitely read them.

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