Do innocent people face too much of problems in life. Me And my whole family are a bunch of 'too innocent' or?

dumb people...we have faced a lot of hard situations...we dont have cunning minds...Infact I have a streak of madness in me too..i laught like a kid without any reaon or do stupid things and i feel it is normal but suddenly when someone insults me about it i hv no answer(we have absence of mind) and i fell into depression and feels low for days. Dont know what to do? things are going downhill wid us... what shud i do??? Suicide???