DG, of course you can pick the wrong partners. Not all M's end because you're bad at relationships. There are lots of dynamics at play.

Going further on the tennis analogy - if your partner didn't practice as much as you did and his heart just wasn't in the game, what could you have done to motivate him? Probably not much. Sometimes, motivation has to come from within. He probably could have been the right partner for you, but partnership requires commitment, practice, work, etc.

Me: 33, H: 32
M: 12 years T: 13 years
No kids
D-Day: 7/2009
Separated: 10/12/10
Future Unknown
GITS

"There's a fire starting in my heart, reaching a fever pitch and it's bringing me out the dark." - Adele