5 years No BC&ttc I'm getting so depressed

I would am going to stop letting nature takes it's course like I have been and I'm going to put even more effort into this because I can't handle one more negative. I don't know what's wrong with me is it me? is it him or is it just the fact that we haven't been checking my ovulation right it could definitely be that I'm not checking my ovulation right baby I ovulate early does anyone have any knowledge or experience all this please help me