do you think we would ever be together forever?

这句话里，我不明白“ever”在句中的意思,所以我整句话都不明白.
how can we ever be together? 同样,这句话里,我也不知道"ever"的意思,请高手们告诉我这二句话的意思.

What do you think we should do to protect wildlife? do you think we would ever be together forever? do you think we should invite Peter over for dinner? Do you think so? When do you think -------------- What do you think we can do to protect our environment? What do you think we should do to improve our English?这样说可以吗？ --what do you think we can do for our aged parents? how long do you think we can depend on you working here?是什么意思？ Do you think we get there on time? YES,( ) the truck doesn't break down