I would definitely sit down and try and figure out what the difference is between your head space now as opposed to when you were able to submit. Try and figure out why you are resisting.

Here some tools to help deal with resistance:

Pause
The natural tendency of many people is to respond immediately when things aren't going well. Stop for a moment, take the time to reassess before jumping back in to a situation that neither you nor her are finding fun.

Feel
What are you feeling? You say you were apart, are you resentful that something else took her time or possibly jealous of her other committments? These emotions can be barriers to letting go of your control. Look at your body language and be honest in owning your emotions.

Listen
The next step is to listen carefully not only to what what she may be saying but also to how she are saying it. Could it be that she is holding back, thinking that you two need to move slowly? Has something changed for her in the time you were apart? Listen to her fears, hopes and ambitions. Hear the tensions and emotions.

Empathize
Make your initial response one that empathizes with their position. To move forward, you first must understand, even though you may not agree. Come together from a place of respect.

Respond
Seek a win-win. Reframe the situation to show a bigger picture. If necessary renegotiate the parameters of your submission. What are you able/willing to do vs what she is able/willing to do?

Think
All relationships experience growing pains. Sometimes, when we have changed, it is difficult to do things the same old way anymore. Your submission may be a chore because you are not getting what you now need. Only by reflecting and communicating will you know if the two of you can continue to work together.

Good luck in finding your way.