I just found out my financee of been lying to me, should I dump him and keep the truck?

My financee is a Brit. We were going to get married in April. I met him working out of country 2 1/2 yrs ago. I have been at home waiting on him faithfully for the last 1 1/2 yrs. I found out he has been lying and playing me. I got evidence of him meeting 2 girls on his R&R in Australia, which he lied and told me he was in Germany. He bought a new truck, which he put in my name, should I keep the truck, the ring, and the $1000 retainer we had for the lawyer?