Starting a new relationship?

Asia
So I ended my 1year relationship about 3 months ago and I've been talking to this new guy who is in the Air Force for a few weeks now and he wants to take me out on a proper date and get to know me a little better while he is at home…I feel like he is a really nice guy but do y'all think it is too soon to start dating again, considering that my ex was hanging out with other girls as "just friends" a few days after we broke up?