I think I'm depressed?

I am new to TU and am finding it very helpful.I was diagnosed in 1997 the day my oldest daughter turned 13 I think I was on a roller coster most of the years still have bad days but it does get better I also have a 22yr old stepdaughter D @ 9yrs old & crohns the year she graduated high school she also has her days.Im not very religous but maybe this might help.God Grant Me The Serenity to accept the things I cannot change;the courage to change the things I can;and the wisdom to know the difference.And watch the lows