Re the kiss: Yaakov wasn’t even married to Rochel at the time. Are you seriously trying to argue you can publicly kiss a woman other than your wife!?
The Rabbenu B’Chaye says Rochel was under 3 years old at the time.
See the commentary of ibn Kaspi, that it wasnt really a kiss, and it was nothing assur at all.
And “ahava” in Hebrew doesnt literally mean “love”. Any time you like something you can say you “ohev es zeh” – there is no other word for “like”. Just as “sinah” doesnt mean “hate” but rather disapproval. As in lo sisnah es achichah bilvavechah, which includes anything you might have against someone – it doesnt mean “hate” (see Ramban).
In any case, we cannot compare ourselves to the avos. They had ruach hakodesh and nevuah and chachmah and they were able to see into a person in ways that we cannot imagine. Even if it would have meant that Yaakov “loved” Rachel in that sense, it doesnt mean we can do that so easily.