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Thinking it’s your responsibility to make another person happy is a sign of codependency.
You can make a person laugh, add joy + value to their life - of course! But happiness is an inside job, and it’s their responsibility.
Also, having codependent tendencies is not something to be ashamed of. Shame keeps you stuck. Codependency is often born from watching your parents act out unhealthy relationship patterns, which then imprint upon you. Think of it as conditioning. It’s not healthy but -
it’s not your fault you’ve got it as something to work through. Other traits of codependency include: always defaulting to other ppls opinons (aka never stating your preference on where to eat, what to do etc), feeling like a friend or partner’s bad mood is your fault,
letting their emotional state altar your own emotional state, doing things for others that they can do themselves, obsessing about small mistakes you’ve made within the relationship, people-pleasing
Codependency and trauma are very commonly linked together. Fear of abandonment comes from somewhere. Reading the tiniest shifts on someone’s emotions comes from somewhere. If you notice yourself in some of the things I’m listing - be gentle with yourself.
It’s going to take some time to unlearn these things, because you are doing them as a protective mechanism. Your brain + ego are trying to protect you from abandonment, from pain, from uncertainty. It takes time to change those neuropathways. I believe in you. 
