What kind of disease is bipolar 2?

My doctor diagnosed me with a moderate depressive episode. I have been taking medication for 23 days, but sometimes I still feel like I came into this world in vain. I constantly want to try new activities. Sometimes I can make irrational decisions and sometimes I believe I can do very difficult things. I run everywhere I go, even though I'm not in a hurry. Afterwards, I feel terrible and useless. Sometimes everything about my life seems ridiculous to me. I get tired of myself because my depressive moods don't go away. And my constant desire to move and do things also bothers me. I don't think the situation I'm in is exactly depression. The doctor told to come a month after the medication ended. I will go to the doctor again in 1 week. I feel sick because the situation I'm in doesn't seem normal to me. And I spend most of my life believing that no one loves me. I think only my lover truly loves me.
What kind of disease is bipolar 2?
What kind of disease is bipolar 2?
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