Anal sex! How do I stop my boyfriend from constantly asking me for it!?!?

Well my boyfriend will constantly be asking me to have anal sex but I don't want to do it because I've heard it hurts and that it's uncomfortable! But I don't want normal sex to get boring for him and he get bored of me so what shall I do? 
And have any of you done anal sex with your partners? 
And how was it for 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