I have major trust issues, advice to fix it?

Please no rude comments that's the last thing I need 😞 but I have bad anxiety which leads to my trust issues with my boyfriend. He's tired that I don't trust him and he wants to feel "free". I know he's a good guy but I don't know why I can't fix these trust issues I have. He's on his last straw and I wanna stay with him. 
Any advice on how to start trusting more??
- advice to keep something to myself when he makes me mad also
Thank you 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors