Depression 15 yr old male, female advice preferred?

I'm 5'8", 121 pounds, I'm not boney but I'm not overly muscular, I keep my hair well trimmed I have straight white teeth, (I work at a dental office so it's a given) black hair and green eyes, but I have acne (not horrible). My friends say I'm really smart and funny and fun to be around, I always try to keep a positive attitude and to try to be there if my friends need me. I don't drink or smoke or do drugs and I'm a virgin and I hope to stay like that until I'm married, however goodie goodie that makes me sound, it's not that I'm being a stick-in-the-mud, it's just my decision to stay healthy. I don't know if any of those characteristics are good or bad, but I've been single for more than a year now and I kinda feel like I've only dated losers, and I've only kissed girls not like made out or anything further. As far as I know, no one likes me, but I know like 5 girls that think I'm cute, but they thought I was gay?? I've never been ually attracted to another guy, but for a reason I cannot explain I "notice" guys, but I've only had/have crushes on girls. They aren't the first though, i've been teased countless times because I don't have a very low voice (even though for some reason when I sing I'm as low as any other kid my age) to the point that I don't have any guy friends because all the guys I know make fun of my voice and my goofy/semi feminine personality. I've spent my whole life hating my dad for constantly causing everyone in my family to be at eachother's throats that I've always tried not to be like him, not to mention he works 5x a week and I'm homeschooled so until my sister went to college her and my mom were almost the only people I was ever around, so I've never had much of a male figure in my life. After being teased for the last 5years of my life I've become semi antisocial, and on bad days that I can't ignore everything that I hate about my life about being gay, I've almost said "**** it, if everyone thinks I'm gay I might as well be" the girl I liked apparently thinks I'm gay, and I'm on the brink of being suicidal (no worries it's out of the question) in everyday life I'm never excited about anything, and I can be very apathetic, like I never cry when someone dies or anything. I've debated seeing a psychologist, but I'm worried they would just say I was crazy, though I feel like I might be bipolar since I'll be fine one day and be crying my eyes out the next, and I don't know how to go to my parents and ask for psychological help. So in any instance I will not see one. please show me the courtesy I would show you if you came to me with these issues, but any help would be greatly appreciated since I'm in a quite melancholy mood. Thanks for your time!