The gift was so apparently an offering of love he could not verbalize that I would throw my arms around him and kiss him—an act that undoubtedly perpetuated his behavior.

这些礼物如地传达着他不善用言辞表达爱，这时，我便会搂住他，吻他，这行为，无疑会使他再度大方。

First of all, affection is that gentle feeling of fondness or the idea that you might like something in some way.

首先，行为/喜爱之情是指那种温柔好感或者你觉得在某种程度上你喜欢某样东西感觉。

Bill explained that the tigers sucking his fingers was a sign of affection.

比尔解释说，老虎吸他手指是一种表示行为。

So he sort of, he would, he would show us how he cared for us, if that makes sense, rather than deep sort of physical shows of affection.

所以他有点， 他会，他会通过这种方式来表达他对我们关心，如果这样说你能理解话， 而不是通过深层次身体上行为。

Yeah, and when you look around the world, it's expressed in different ways, sometimes very privately, sometimes there's PDA, like it's just different culturally.

是，当你环顾世界时，你会发现它以不同方式表达， 有时非常私密，有时则有公开行为（PDA）， 这仅仅是文化差异所致。