Aimer is one of those confusing verbs that changes meaning depending on context. When aimer is refers to a person or a pet it means “to love”:
J’aime mon chien – I love my dog
Il aime Jane – He loves Jane
Je t’aime – I love you
But when aimer refers to a thing it means like:
J’aime le chocolat – I like chocolate.
On a aimé le film – We liked the film
If you want to say that you love something other than a person or pet then the correct verb is adorer:
J’adore le chocolat – I love chocolate
On a adoré le film – We loved the film
And if you want to say that you like a person or pet then you need to qualify aimer with an adverb:
J’aime bien Jane – I like Jane.
J’aime assez Jane – I quite like Jane.
Je t’aime beaucoup – I like you a lot.
Interestingly, if you use the adverb bien when you are talking about a thing, it does not intensify the meaning of like:
J’aime le chocolat / J’aime bien le chocolat – I like chocolate
So, both “J’aime le chocolat” and “J’aime bien le chocolat” mean exactly the same thing!