Helenna: I have been divorced since 2009. It takes time to adjust. If you have insurance to cover counseling, I would suggest that, also, spend time with supportive friends and/or family. I go to a senior exercise class and joined a low cost health club. Best wishes.
You can also try Meetup.com. This is not a dating service, but a way to find people with common interests to participate in activities centered around those interests. It is active in a number of places around the country.