Actually to be honest, all the 答案 before me are part of love, but it is also part of attraction to the person. I mean one does get 蝴蝶 and feels nervous around a crush, but that does not mean 你 would feel the same way when 你 are in 爱情 with someone and they are in 爱情 with 你 back.
Truth be told, the feeling of being in 爱情 is different for everyone. The same common feelings like wanting to be with the person always and all that 蝴蝶 are still there, but when 你 are in love, it all intensifies, beyond what 你 imagined could ever happen before.
But above all else, being in 爱情 means putting someone before yourself and also telling yourself that I am worthy of such 爱情 from this person and I as a person would be able to give that 爱情 back. It's all about feeling that ability to give and receive as well as to care, sacrifice and respect.
你 know you're in 爱情 when 你 think about that person all of the time, when you're 心 starts beating faster every-time 你 see him/her. 你 want them so badly it makes 你 want to scream. That's how 你 know.
You're in love- and I mean it- when 你 can imagine yourself spending your days at the side of your loved one. When 你 don't mind making sacrifices, when 你 know, 你 know, cause your 心 tells 你 and your mind agrees.
