Hello Friend, Good that you are seeking a help here. What you are expressing is an outburst of inner stress or depression. This doubting nature is just a symptoms. You better need to analyze in detail about your underneath emotions and feelings. You may be carrying some unfulfilled desires and past experience that's triggering such behavior. Be positive. This is an addressable issues with a counseling support and few changes in your mindset and self therapies. Call me directly or online through Practo further detailed evaluation to  assess your current suitation  in detail to figure out the root cause and suitable solutions. Sometimes physical condition like excess heat in body, menstrual issues, acidity, weight issues, digestion issue etc can also trigger such emotional stress and behavior. So it's important to have a holistic approach in isolating the reason and remedies.

I agree dr mayuri

Consult a psychiatrist with your husband for marital issues resolution as well as diagnosis and treatment decisions.

It is better to seek a professional support as, to discuss those issues in an open platform like this is not advisable... Consult a psychologist either online or offline for more clarity.

Do you have any evidences on this? Or is it general mistrust. If you really feel look out for evidence to prove without that who will believe you. Consult with me or any psychologist for therapy and counseling