Bad things seems to ALWAYS happen when i like a girl?

Well you see...everytime i like a girl something BAD ALWAYS HAPPENS. Example- 1st grade 2001: I like a girl named Chelsea, Sadly she was held back and never saw her again. 2nd grade 2002- I liked a girl named Lindsey..SHE MOVES. 4th Grade 2006: girl named Avalon MOVES. 5th Grade: Alexsis and Carissa..Carissa Moves away and Alexsis gets a boyfreind and everytime i try to ask her she already has a new bf...7th grade 2008: Tyla - Her brother has some issues with me....Alot of them ..Im goin to the 8th grade , Dont know whats going happen next? so can someone explain or try to explain why bad things happen when i seem to like a girl? thanks.