テ形. A non-finite form of a verb or adjective primarily used to connect to a following predicate or subsidiary verb, with some secondary uses derived by ellipsis (e.g. of くれ or ください). In many cases it corresponds to English "and". Linguists often refer to it as the "gerund" form, and some have also ...
I would like to know the exact nuance between all these forms in these example sentences : そうした方がもっと可愛くなる。 : This one feels like she would become cuter if she did that (instead of something else) ...
愛鳥の寝顔、見てるだけで思わず笑みがこぼれてくる 愛鳥の寝顔、見てるだけで思わず笑みがこぼれる My question is how is the 1st sentence different from the 2nd, and what nuance does the くる add.