Anxiety for quick release more than likely. Especially if with a new partner. Talk things over and get comfortable. Urinary issues could easily be a UTI or bladder infection on its way. Go see your general practioner and they can help in many ways for both issues plus check for any infections that might be causing you to urinate frequently. Do this soon if it's an underlying infection or the opposite could happen with pain.
Stress causes the quick release in the form of anxiety. Just take things slow and control should get better. Age is a huge factor sometimes as well.