welcome to MN- I am not 60 but I am mid 50s. You could have another 25 or 30 years of life left!
Big question is- can you improve on what you have by being mre communicative, arranging things to do together and adopting a positive attitude to it all? Or have you tried that already?
The other issue as the other poster has raised is- do you define yourself through relationships and do you always have to have a man around in your life?
Can you support yourself alone and would your standard of living change a lot if you were divorced- and if so, is it a price worth paying.
The other issue as people have said tome during bad patches in my marriage is- are you happy to accept that you might be alone forever? You might meet another man and you might not. How does that feel?
There ARE men out there and you don't always have to look for 60 year old men- if you are a young looking and young thinking person, and have taken care of your appearance you could meet men 5 years younger or more, at least!
I have a close friend - male- whose 3rd marriagehas ended at 55. He married at 24, divorced at 30, ( she left him), married quickly on the rebound, and 10 years later divorced his 2nd wife. After 6 years on his own he married for the 3rd time at almost 50 to a woman who seemed almost perfect. She has now fallen for an old friend and left him, after 3 dates with this new man, after 6 years.
Reason for telling you this is to show you are not alone and there are men out there like you.
it's not an easy choice, if your marriage is not violent or abusive, but just lacking in what you want- but life is for living and you have already shown you can pick yourself up - so why not again?