请帮我看看这句话合不合语法，如果不和请帮忙改一下,并翻译一下，谢谢

If some one has been in your heart for a long time,
you may hardly accept any body else.
如果你的心中有一个人，那你不会再去接受别人。

If some one stays in your heart for a long time, you'll hardly accept others.
stay flips stays would be fine

if someone fall in love with you for a long time,you will hardly accept others.

反正不能中文式英语