Ovulation confuse

Lourdes

On the 8/10/17 I get I Peak day , I have sex on day 8/11/17 and 8/13/17 after and on day 14-20 I have spotting/period. 8/22/17 I get I Peak day and that same date I have sex and the weird thing I get on 8/24/17 I just spot pink and after that on 8/25/17 I just get high days but I don't know what to think?