Id stick with it M8, i came onshore about 1 1/2yrs ago due to the fact we had just had a baby daughter and didnt want to miss her 1st years but for me offshore was the job.
Its not for everyone and only you can decide.
I will go offshore or work overseas again very soon, it just suits me.
Hope you make the right decision but dont rush into it, give it a chance and see how you feel after a few trips.
What rig were you on?