sad moment

is it I've had makes someone angry? is it because i always keep on disturbing on that person until that person feels that i'm do really annoying? is it i've done something wrong and makes that person angry with me? i do really wanted 2 know what i've had done wrong. cause if i have done anything wrong 2 that person i do really wanted 2 apologize 2 that person. if that person does not want 2 forgive me it's fine , i'll do really understands and i also will not force that person 2 forgive me. i just wish that we do really can be friends together and i do not wanted 2 loose such a good friend. i wish that if there is any misunderstandings we can solve it. i'm really sad cause i do really care 4 my friends. 4 me, my 1st priority is my family and my second priority is my friends. therefore, friends r really important 2 me. they do really means a lot 2 me. if i've done something wrong 2 my friend and my friend won't forgive me, i'll do be very very sad. i just wish that my friend will forgive me and wish that both of us can be best friends again. wish that both of us can be so happily chatting together and always care 4 each other. unfortunately, recently don't know what has happened. my friend didn't seems like my best friend i knew before. he seems like has changed and he's not like previous time so cares 4 me and always chatting with me. sometimes, when i chat with him feels like i do really disturbing him until he's annoying with me. i also don't know what has happened between us. is it i've done something seriously wrong 2 him n hurts him a lot? if it's do really is my fault, then i'll try my best 2 changed it. but the point is i really don't know what has happened and what i've had done wrong. it just happened so suddenly. i really don't know what 2 do n i do really very very sad. cause this has ruined our friendship and don't 1 this 2 happened. he is my best friend n i also treat him as my brother who always cares 4 me. i do really don't 1 loose this best friend n good brother. i do really wish that both of us can be best friends again and can chatting with each other and cares 4 each other again.