Ian was not trying to challenge Mina. He wanted to abstain to avoid feeling like they had to try something new to make their wedding night special, but his fiancé took it the wrong way and he was suffering for it. Even after he gave up, and tried to give in, the woman refused him. She claimed that she was not doing anything intentionally, but Ian knew that was a lie. While they were asleep, she would 'accidentally' brush her rear against his groin, and after she took a shower, she walked around their bedroom completely nude as she pulled out her clothing.