Mad

I went to jaja house yesterday and I was really mad
her house is far by my house , but I still walk to there
actually we are going to do the revision
cause something happened , we just sang and sang and sang in the KTV room
and the next day
we guys really headache , feel like to vomit and jaja hurt her spine

The thing is ,
Im totally drunk and done something really shy
feel so sorry to someone and I dont know how to apologize
oh god , please help me ><