Mike is your boyfriend you have just been in a relationship for 5 months with Mike

One day you asked Mike to go to the park together but Mike refused, and you decided to go alone,when you arrived at the park you saw Mike kissing another woman,Then Mike looked and you immediately left them but Mike chased you and grabbed your arm

I'm sorry...and for this time I'm asking to break up with you sorry he said then he went with that woman again