"... or do things with."

[Odessa Dawn]

Given context:

When it comes to dating later in life, the scene is far from hopeless. A 2003 AARP survey of 3,501 single men and women aged 40-69 showed that 63 percent were dating. An additional 13 percent wanted to find a date, while 14 percent were interested "if the right person happens to come along." Almost half of those surveyed stated that their main reason for dating was "to have someone to talk to or do things with." Companionship is incredibly important at every age. The better we know ourselves, the better able we are to choose partners who complement us and enhance our daily lives. Thus, there are certain real advantages of dating after 40, 50, or any age in which you are able and willing to reflect on your years of experience and genuinely learn from your past.

What I have found in the dictionary:

Definition of do a thing with someone
do a thing with someone
If someone says 'are you doing a 'ting' with him/her, means are you 'linking' her/him. Linking means that you are not officially in a relationship with someone but you are 'seeing' each other. This includes 'kissing', 'hugging' and maybe sometimes more, until the couple that are linking feel they want to commit to a relationship they will carry on seeing each other for a while.
What does do a thing with someone mean? do a thing with someone Definition. Meaning of do a thing with someone. OnlineSlangDictionary.com

What I am looking for is the meaning of "Do things with". Does what has been marked in red the brief definition of that phrase?


P.S.: Please note that I am neither an academic nor a student, but a bus driver. I drive across the city for the whole day, and when I back home I feel dog tired and drowsy. As a result, I couldn't read well nor remember everything I come across, so I am always looking for the shortest, target, and easiest definition. I hope you understand me.
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[JMurray]

not a teacher

Almost half of those surveyed stated that their main reason for dating was "to have someone to talk to or do things with." Companionship is incredibly important at every age.

In the context you have given us, I don't believe "have someone to .. do things with" is as complicated as the definition you have found.
It simply means to have a friend with similar interests so you can do things together (i.e. share activities and experiences) that you both enjoy. For example, going out to dinner or the movies, visiting friends, travelling, playing or watching sports etc.