No way Joe, you're not a wimp at all, you're just having regular emotions surrounding your disconnected relationship state. Its totally normal, and it shows you that you have feelings and love in the marriage, thats a GOOD thing!
Keep remembering, baby steps, small wins!
If you're not keeping a Journal, make sure you do. Write in it DAILY. Write what you did that day, what went well, what didn't, your emotions and feelings. Then each day when you go to write the new page, reflect on your last day, and see if the intentions and you're feelings are progressing.
M: 10 years, T: 12 years Me: 41, WAW: 38 SS:19, D:18, SD:7