I can't say any word to you,So what can i do for myself是什么意思

I can't say any word to you,我什么都不能跟你说.或者翻译成：我不能跟你说话.
what can i do for myself,我能为自己做点什么呢?
不过,这两句话没有任何因果关联,怎么会用so连接起来呢?好奇怪!