You have everything to gain and nothing to lose by trying.
You affect your subconscious mind by verbal repetition.
We are masters, first, of our attitudes. Our attitudes shape our future. This is a universal law.
When we direct our thoughts properly i.e. 'Things could be worse but aren't', we can control our emotions... i.e. and feel relieved, grateful, satisfied, hopeful and happy
To be happy, make other people happy.
When thinking won't cure fear, action will.