The best way to know... IS when he/she tells you lor!
Here's a list of 10 things he/she will do
1-find lame excuses to ask u out
2-seems to haf problems wif his work everyday
3-floods u wif medication when u are sick
4-always say they are waiting for "someone" but not telling u
who
5-never forgets special occasions like ur bdae
6-remembers little details like which hairclip u wore that
sunday
7-u see this try-hard-to-be-happy expression when u tell him/her
abt ur lover
8-tells u that they like girls/guys wif a certain characteristic
which u seem to fit perfectly
9-very protective over you, beat up ppl who bully u
10-apologetic over everything
.
.
.
.
.
.
.
.
blah blah blah
aiyah u will noe one la