Why ... ??

Things I will always fail to understand :

1. Why ppl lie ?
2. Why ppl can't keep their word?
3. Why ppl hve the heart to hurt others?
4. Why are ppl dishonest?
5. Why ppl cheat and deceive?
6. Why can't friendships last forever?
7. Why does love end ?
8. Why is it only physical appearances that matter?
9. Why can't ppl learn to admit their mistakes ?
10.Why is it so hard to apologize?
11.Why is forgiving so hard ?
12.Why is it so difficult to trust ppl nowadays?
13.Why have we lost the innocence and naivity?
14.Why can't ppl be happy for what they have?
15.Why do we always want what we cant have?
16.Why don't we stick to our beliefs?
17.Why can't we trust our instincts as much as we should ?
18.Why do we always worry so much about our future?
19.Why can we not belive in our best buddy God as much as we should?
20.Why does our mind play games with us ?
21.Why do we give up?
22.Why don we follow our dreams anymore?
23.Why is love so painful sometimes?
24.Why don we smile more often?
25.Why do we have the answers sometimes and choose not to see them ?