Base sa moha gipost, these are the red flags:
1. Lying
2. Changing the name of the guy
3. Asking you about the warts thingy
4. Selosan ka, kabuotan nimo (mao ne defense mechanism niya para d ka mgduda nya)
These are the things that made me conclude that she is not someone to be trusted all along and is cheating. However, there are some points I would want to stress out:
1. There is a reason why she is cheating... look at yourself first, unsa man imoha gibuhat or pagkuwang that led her to do that?
2. It takes two to tango, di sya mo cheat if wala'y rason. There will always be a reason you also contributed to her cheating, i-discover daw?
3. Then, try to mend your relationship by giving her attention, surprises and stuff. Basin na boring na nyoha relationship.
(Sa ako ne pagka-righteous ha na advise)
For the more practical side and to be blunt.
If you are in a relationship and serious jud ka and you do love your gf/bf, bisan naa kay crush di ka mo entertain the fact na mo flirt ka? Kay labe na girl mo flirt, agoy ang guy baya di baya na mo dili mo tukob ra ba daun na? She already know what she gets herself into... she should face the consequence.
Let go of her than spending the rest of your life with a marriage contract binding you and live with the shadow of the past that once you caught her cheating (impliedly) since she did not admit at all.
FYI: mas dali pa aminon ang guy ngcheat, ang girls? They will keep it a secret no matter what, hangtod mamatay sila di japon na sila mu tug-an. Magmata ra ka buntag ana.