Nothing you do is going to come between us.
"sth comes between ""使產生隔閡,受到影響"
eg: My parents are so in love, nothing will ever come between them. 我父母非常相愛,什么都不會影響他們的感情.
Joe and I used to be very good friends,but our political views came between us. 我原來有個好朋友Joe,但我們不同的政見弄得我們之間有隔閡了.