以后，⋯⋯
yǐ hòu,……
In the future in general with "yihou"
以后 at the front means "from now on" or "in future".
以后，+ Clause
How it works
以后，你不要问我 — don't ask me again in future. The mirror of front-position 以前.
It's the natural way to state resolutions and warnings: 以后我要早点睡.
Examples
yǐ hòu, nǐ bú yào wèn wǒ
以后，你不要问我。
Don't ask me in future.
yǐ hòu wǒ yào zǎo diǎn shuì
以后我要早点睡。
From now on I'm going to sleep earlier.
yǐ hòu xiǎng zuò shén me gōng zuò?
以后想做什么工作？
What kind of work do you want to do later on?