BBT gurus, reassure me please ๐Ÿ™‹๐Ÿผโ€โ™€๏ธ๐Ÿ™๐Ÿป

Jenny โ€ข Married mum of 1 <3 ๐ŸŒˆ

Havenโ€™t had a positive OPK yet, they were building but yesterday have gone lighter (I read this can happen before peaking) and this is my BBT graph. Glo says I should O tomorrow, does this graph look ok? Itโ€™s so zigzag