You don’t have to know. You just have to trust and keep going.
Read: Job 23:9-11
9 I do not see him in the north, for he is hidden.
I look to the south, but he is concealed.
10 “But he knows where I am going.
And when he tests me, I will come out as pure as gold.
11 For I have stayed on God’s paths;
I have followed his ways and not turned aside.